Haas Laser Laser Marking System Cooled Laser Yag Laser Rod Rofin Sinar Laser Yag Laser Head 808Nm Laser Diode Yag Rod Thread Ring Plug Gage Watt Co2 Laser Laser Marker Laser Cavity Yag Laser Cavity Watt Co2 Helium Neon Hene Gsi Lumonics Gsi Lumonics Laser Synrad Pump Laser Helium Neon Hene Continuous Wave Laser Hene Helium-Neon Continuous Wave Neon Hene Continuous Wave Laser Head Universal Laser Engraver Continuous Wave Laser Head Argon Ion Diode Pumped Argon Ion Laser 808Nm Laser Cutter Watt Yag Epilog Laser Yag Laser System Laser Welder Dpss Laser Coherent Diode Coherent Laser Diode Trumpf Laser He-Ne Laser Ne Laser Ion Laser Argon Laser Ion Laser Power Supply Rofin Sinar Cutting Laser Power Co2 Lumonics Laser Marking Dpss Laser Rod Industrial Laser Coherent Innova Ipg Zygo Laser Head Laser Tube Diode Pump Power Nd Yag Laser Nd Yag Laser Rod 2A External Lee Laser Diode Pump Laser Carbon Dioxide Laser Universal Laser Laser Engraver Nm Laser Q-Switch Laser External Go No-Go Thread Ring Gage Ion Laser Head Watt Coherent Engraver Cutter 2A External Go No-Go Thread Ring 2 Haas Laser 532Nm Green Laser Welding Diode Driver Beam Expander Yag Laser Marking Laser Diode Driver Hp Agilent 5517C Hene Laser Laser Diode Bar Laser Optic Gas Laser 632 8Nm Laser Power Meter Helium Neon Laser Lambda Physik High Power Laser Diode Laser Shutter Co2 Laser Marking Nd Yag Laser Rofin Helium Neon Rod Cavity Cnc Laser Melles Griot Laser Fiber Optic Connector Ir Laser Ii Laser Griot Laser Power Laser Diode Flash Arc Lamp Laser Controller Co2 Laser Engraver Spectra Physics Laser Lumenis Laser Laser Beam Expander Power Coherent Domino Laser Epilog Mini Diode Module Nd Yag Jds Uniphase Laser Module Laser Modules Hp Agilent 5517D-C19 Laser Technology Scan Head Rofin Baasel Co2 Carbon Dioxide Laser Laser Corp Lightwave Electronics Ruby Rod For Laser Fiber Laser Flash Lamp Watt Laser Co2 Laser Laser Assembly Laser Scan Head Laser Power Probe Solid State Laser Ir Laser Diode Ii-Vi Infrared 1064 Nm Laser Unit Metrologic Neon Ipg Ytterbium Fiber Spectra Physics Series Laser Laser Engraving Machine 445Nm Laser Control Laser Alignment Arc Lamp Jdsu Laser Pulse Laser Optic Assembly Diode Array Laser Products No-Go Thread Ring Gage Set Laser Scan Engraver System Laser Power Energy Coherent Diamond Coherent Laserpure Laser Quantum Laser Drive Cth Yag Laser Housing Q-Switch Driver Model 7702 Sky Laser High Power Burning Laser Mirror Optic Helium Neon Gas Laser C02 Laser Haas Laser Hl-703D Lumonics Luxstar Laser Line Excimer Laser Beam Aligner Coherent Avia Nitrogen Laser 500Mw Laser Blue Burning Laser Diode Laser Coherent Zygo Laser Head 6Mm Model Lens Optic Class Iiib Engraver Machine 532 Nm Class 3B Infrared Laser Yag Laser Gooch Housego Analog Modules Baasel Lasertech Nm Laser Products Macken Instruments Total Reflector Beam Bender Optic Mount Laser Aligner 200Mw Laser Diode Red Laser Filter To18 5 6Mm
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$
1495.00
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Condition: New
Location: Bertram, United States
2120 Grand Avenue Parkway, Suite 175.
$
7.97
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Condition: New
Location: Jamaica, United States
1 x 405nm 50mw Laser Diode. Wavelength: 405nM±5nm (Violet). Output power: CW 50mW. -Due to different producing batches, product details might be a little ... moredifferent. hope you could understand. -Due to the different display and different light, the picture may not reflect the actual color of the item.
$
22.00
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Condition: New – Open box
Location: Saint Louis, United States
This is the most powerful 405 diode currently available. Also highly suggest using the nano buck/boost driver as it was designed specifically for this ... morediode. I have an option for this unit in module with the nano buck/boost driver installed for easy integration into your end product.
$
6.04
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Condition: New
Location: Matthews, United States
Wavelength: blue purple Power: 20mw.
$
32.50
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Condition: Used
Location: Alviso, United States
Sharp GH04W10A2GC multi-mode 405nm laser diode pressed into a copper heat spreader. It is glued into the module and pre-collimated. You can see the extracted ... morelens in the last picture. The laser diode is in a standard 5.6mm can which has been pressed into a copper heat spreader.
$
34.95
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Condition: New
Location: Southwick, United States
You must know what you are doing before hooking these up. A proper CONSTANT CURRENT laser diode driver is required to drive the diode. The current should ... morenot exceed 1A CW. The diodes must be installed in to a laser diode module and heatsink before energizing to dissipate heat.
$
27.50
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Condition: Used
Location: Alviso, United States
These modules contain a Sharp GH04W10A2GC 405nm laser diode pressed into a copper heat spreader and mounted to a steel bracket with a high performance ... morecollimating lens. These diodes are rated by the manufacturer for 350mW CW or 1100mW pulsed at 50% duty cycle, but are quite capable of being overdriven and typically produce 1.5W at a drive current of 1.1A. We've characterized these as shown in the current versus power chart.
$
19.50
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Condition: New – Open box
Location: China
$
13.40
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Location: China
1x 405nm SLD3236VF Laser Diode. Output Power:CW 150mW Pulse 300mw. 405nm Violet/Blue 150mW-300mW5.6mm Laser Diode w/ PD. Wavelength: 405nm. With Photo ... moreDiode. Don't operate when the power is connected.
$
18.98
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$1.50 Shipping
Condition: New – Open box
Location: China
$
17.50
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Condition: New
Location: China
400mW (typ)405nm TO18 5.6mm Violet Laser Diode.
$
10.52
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Condition: New
Location: China
5x SLD3134VL 20mw 405nm 5.6mm Laser Diode. 5PCS 405nm 20mW 5.6mm Violet-Blue Laser Diode. Standard Power:CW 20mW. Working Current:
$
9.80
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Condition: New
Location: China
Note: 405nm violet lasers has more dim spot than blue,green and red lasers when seen by naked eyes.Not suitable for long distance using. Wavelength 405nm. ... moreConnection: Red wire "positive +", Black wire "negative -".
$
349.99
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$12.66 Shipping
Condition: Used
Location: Falls Church, United States
This device has been powered on, tested, and works as expected. No accessories are included. Nothing else is included. Local Pickup.
$
249.99
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$12.66 Shipping
Condition: Used
Location: Falls Church, United States
C4 - Used Good. Functional Condition.
$
16.73
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$3.00 Shipping
Condition: New
Location: China
Focusable 405nm 20mW Violet/Blue Laser Dot Line Cross Diode Module + 5V Adapter + Adjustable Holder. 1x 405nm 20mW Laser Diode Module;. 405nm lasers have ... moremore dim spot than blue,green and red lasers when seen by naked eyes.
$
5.69
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Condition: New
Location: China
5pcs 405nm 5.6mm 5mw-20mw Violet/Blue Laser Diode TO-18 Features: Output Power 5-20mw Wavelength 405nm Dimensions TO18(5.6mm) Qty: 5pcs 5mw laser diode ... morelife: 30000 hours 10mw laser diode life: 10000 hours 20mw laser diode life: 50000 hours Details: 405nm 5-20mw 5.6mm M-pin type Laser diode. New in bulk, all parts tested before shipping The laser diode is and precise and sensitive optical instrument. Before carrying on some laser DIY activities. Please read about the technical information first and protect your eyes before laser ray. Be sure the operator has experience in optics DIY or testing. and Don't operate when the power is connected. Package: 5X 5.6mm 5-20mW 405nm Violet/Blue Laser Diode TO-18 Payment Method: PalPay preferred. Our palpay address is lily_maria2002@ yahoo.com.cn Shipping Handling: Country Approximate delivery time United States/ United Kingdom/ Australia 1 0-15 business days Canada 1 2- 18 business days Brazil/ South America 20- 25 business days Italy/ France/ Spain/ Germany/ Eastern Europe 15- 20 business days Terms of Sale: Payment Accepting PayPal payments. Please pay within 7 days from first purchase. Shipping We ship to international via China Post Airmail or Hong Kong Post Airmail. And every parcel will be registered with tracking number. We can also ship by UPS/EMS for corresponding fees. Please email your postal code for shipping quote. International customers may experience delays by customs or national post providers. Review your duty-free limits. Please let us know before payment if you need split shipment. Emails Customer inquiries and messages will be responded within 24 hours. We will try our best to have your satisfaction. E-mail: lily_maria2002@yahoo.com.cn MSN: lily8649@icqmail.com SKYPE: lily_maria2002@yahoo.com.cn Taxes We are not charging you any sales tax. Please check with your local policy for otherwise conditions and requirements. Returns Customer should make initial contact in 7 days from receiving the order. Products must be returned in original condition
$
29.99
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Condition: Used
Location: Hayward, United States
Each module has a high-power, multi-mode 405nm laser diode, a G-2 type collimating lens, a cylindrical anamorphic correction lens as well as an AR coated ... moreglass block that can be rotated by a tiny stepper motor to shift the beam left/right by a few mm.
$
17.00
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Condition: New
Location: China
405nm 200mW-400mW 5.6mm Laser Diode SLD3237VF Violet/Blue Light. Model: SLD3237VF. 1x 405nm 200mw 5.6mm Laser Diode. Peak Power: 400mW (Width 30 ns Duty ... more50%). Storage temperature: -40℃ ~+85℃. CW Power: 200 mW.
$
25.76
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Condition: New
Location: China
1pc Sony SLD3239VF 405nm 250mW Single Mode Laser Diode 5.6mm. Be sure the operator has experience in optics DIY or testing. and Don't operate when the ... morepower is connected.
$
22.00
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Condition: New
Location: Peoria, United States
405nm Polarization Rotator Waveplate. Ideal for 405nm laser diodes.These are 7 x 7 x 3 mm. Uses include a component part of an optical isolator and beam ... morecombining through a polarizing cube beam splitter.
$
107.96
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Condition: New
Location: Southwick, United States
Sharp GH04W10A2GC Diode. Custom High Power Handheld Laser Engraving Kit. Carbon Fiber Hand Grip - Violet Color (Available in Other Colors Upon Request). ... moreThe kit is fully modular and easy to assemble and disassemble.
$
5.38
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$3.99 Shipping
Condition: New
Location: New York, United States
1 pcs 405nm 150mW TO18 laser diode. Power Output: CW 150mW. Sealed Size: TO18(5.6mm). Laser diode belongs to electrostatic sensitive components. To wear ... moreanti-eletrostatic wrist band is necessary.
$
41.00
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Condition: New
Location: Saint Louis, United States
This is the most powerful 405 diode currently available. Save yourself the headache of extracting, pressing and soldering on your diode. Just add host, ... moreheatsink and driver.The current must be limited to no more than 700mA to the diode suggest 600mA for best life expectancy.
$
17.90
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Condition: New
Location: China
405nm 250mW Violet/Blue Thick Beam Dot Laser Module. Output power: 250mW. Wavelength: 405nm. 1pc Fat Beam 405nm Violet Blue Laser Dot Module. Diode: Nichia ... moreNDV4512. Laser class: B3 class. Mount cutout 22mm mirror waterproof.
$
22.94
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Condition: New
Location: China
Number of pins: 3.
$
21.00
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Condition: New – Open box
Location: Saint Louis, United States
The diodes are professionally extracted from new S06J Blu Ray disk burners. The pins will be cut and have tinning on them. Sony 12X S06J Laser Diode. ... moreThis is a genuine BDR-S06J 405nm diode not the lower efficiency more sensitive 12X diode from the SF-BW512L that are often sold as BDR-S06J.
$
14.94
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Condition: New
Location: China
5pcs LD Driver 405nm 450nm 525nm 405-525nm Laser Diode Dedicated Drive Circuit. 5 x 405nm 450nm 510nm 525nm Laser Driver Board 405-525nm Diode Module ... moreCircuit. Suitable for k-pin laser diode. Working mode: constant current power.
$
201.40
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Condition: New
Location: China
50pcs SLD3235VF 405nm 100mW 5.6mm violet / blue laser diode TO-18 Sony. 50pcs 405nm 100mW 5.6mm SLD3235VF LD. Peak wavelength: 405nm. Do not expose the ... moreeye or skin to laser light directly and / or through optical lens.
$
115.78
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Condition: New
Location: China
Protect your yourself from the laser when you operate on it. We cherish your suggestions very much. We will try our best to solve your problem as soon ... moreas possible.
$
36.73
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Condition: New
Location: China
Focusable 405nm 300mW 12V Blue/violet Semiconductor Laser Module 33x55mm w/Adapter. 1x 300mW 405nm Violet/Blue Laser Dot Module. Wavelength: 405nm. Output ... morePower: 300mW. Structural features: Aluminum shell+ Imported laser diode+ K9 glass lenses+ Constant current driver board.
$
374.99
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Condition: Used
Location: Seattle, United States
Laser light guide (specs unknown, but manufacturer was likely Edmund Optics). Unable to test ourselves. Light guide aperture holders.
$
7.50
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Condition: New
Location: China
PICTURES OF PRODUCTS: Description OF PRODUCTS: All items are 100% new& never used. Testing complete OK. 1.Constant current Stable voltage IC circuit. ... moreLaser diode can be better protected without being damaged; 2.Constant current output, Can be adjusted( 0-400mA) 3.DC supply voltage 3.0-4.2V input. 4. Output voltage 4.2-6V. 5.Suitable for 405nm 100mw-300mW laser diode.also be used in laser pointer or flashlight. 6. Reverse polarity protection design. 7. Power Supply: Li battery such as 16430.18650,14500 and 18500. 8.Size:10.2mmx15.5mm(WxL) Now we have been using it and very stable. PAYMENTP: We only accept Paypal. SHIPPING: All item is shipping within 24hours except holiday and weekend after payment had been finished. Shipping method: One:Shipping freest economy. There is no tracking number. Here will use HK post Airmail,according our experience HK post Airmail more quickly than China post Airmail) Two:Transmission standard.Also known as the register airmail transmission can be tracked; Three: If you need fast shipping such as EMS.DHL,UPS,TNT etc.please pay extra shipping fee,also add your phone number when you pay for it; 3. If you need revise ship address please send us a note before or at the moment when you make payment.We are not responsible for any wrong or undeliverable address; 7-12 working days by ePacket to USA; 7-15 working days by royal airmail to UK; 10-20 working days by royal airmail to Canada; 15-22 working days by royal airmail to most countries in Europe; Country Shipping Time Working Days + Saturday + Sunday. 5-10. 11-15. 16-20. 21-25. 26-30. 35. United States. Rate(item arrived) 5.20% 65.00% 19.70% 5.40% 4.70% Refund. United Kinddom. Rate(item arrived) 9.90% 63.20% 19.10% 3.40% 4.40% Refund. Canada. Rate(item arrived) 2.00% 45.10% 31.40% 17.60% 3.90% Refund. Australia. Rate(item arrived) 21.40% 52.10% 16.30% 5.20% 4.00% Refund. Germany. Rate(item arrived) 11.10% 22.20% 30.30% 20.90% 15.50% Refund. Brazil. Rate(item arrived) 0.50% 13.10% 43.30% 28
$
3.64
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Condition: New
Location: China
$
8.72
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Condition: New
Location: China
The drive board has switch and spring, and can also be used for blue/violet laser pointers. The spring is the positive pole of the power input, and the ... morepin of the laser diode housing is used to conduct the power input negative.
$
7.39
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Condition: New
Location: China
Driver Board For 405nm 150-250mW Voliet/Blue Laser Diode. Wavelength: 405nm. The module housing is positive"+" and the tail pad is negative"-". With reverse ... moreconnection protection and soft start protection.
$
17.63
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Condition: New
Location: China
405nm 250mW Violet/Blue Thick Beam Dot Laser Module. Output power: 250mW. Wavelength: 405nm. 1pc Fat Beam 405nm Violet Blue Laser Dot Module. Diode: Nichia ... moreNDV4512. Laser class: B3 class. Mount cutout 22mm mirror waterproof.
$
7.98
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Condition: New
Location: China
Wavelength: 405nm±10nm. Power: 50mW. Size: 12 45mm.
$
299.99
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$12.66 Shipping
Condition: Used
Location: Falls Church, United States
Function Tests.
$
32.75
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Condition: New
Location: China
3x 405nm SLD3236VF Laser Diode. 3pcs 405nm Violet/Blue 150mW 300mW5.6mm Laser Diode w/ PD. Output Power:CW 150mW Pulse 300mw. Wavelength: 405nm. With ... morePhoto Diode. Don't operate when the power is connected.
$
12.50
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Condition: New
Location: China
3x 5mW 405nm Laser DOT Diode Module. Size: 6x10mm(brass house length). Output Power: 5mw.
$
189.00
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Condition: New
Location: Alviso, United States
New self-contained UV laser with integrated laser diode and TEC drivers. Made by Pavilion Integration for a large biotech firm, these produce over 50mW ... moreof 405nm output at in a very compact enclosure.
$
16.10
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Condition: New
Location: China
5pcs 405nm 5mW Violet/Blue Focusable Dot Laser Diode Module 3V Brass 6x10mm. 5x 5mW 405nm Laser DOT Diode Module. Size: 6x10mm(brass house length). Output ... morePower: 5mw.
$
32.82
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Condition: New
Location: China
1pc 405nm 300mw blue / violet laser dot diode module with 5V adapter. 1pc 405nm 300mW laser dot diode module. Wavelength: 405nm. Output power: 300mw. ... moreFocusable: Yes. The blue / violet light intensity of 405nm is relatively weak and is not suitable for long-distance applications.
$
8.90
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Condition: New
Location: China
3in1 Dot/Line/Cross Focusable 405nm 10mW Violet Blue Laser Diode Module. 1pc 405nm 10mw laser diode module. Laser Shape:Dot/Line(120 degrees as default)/Cross.
$
8.63
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Condition: New
Location: China
3in1 Dot/Line/Cross Focusable 405nm 5mW Violet Blue Laser Diode Module. 1x 405nm 5mw laser diode module. Focusable :Yes. Laser reflects blue/violet light ... moredepend on materials. Violet light against white.
$
28.43
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Condition: New
Location: China
10pcs 405nm 5mW Violet/Blue Focusable Dot Laser Diode Module 3V Brass 6x10mm. 10x 5mW 405nm Laser DOT Diode Module. Size: 6x10mm(brass house length). ... moreOutput Power: 5mw.
$
17.00
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Condition: New
Location: China
Focusable 405nm 20mW Violet/Blue Laser Line Diode Module + 5V Adapter + Adjustable Holder. 1x 405nm 20mW Laser LIne Diode Module;. Focusable :Yes. 405nm ... morelasers have more dim spot than blue,green and red lasers when seen by naked eyes.
$
22.85
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Condition: New
Location: China
2x 405nm SLD3236VF Laser Diode. 2pcs 405nm Violet/Blue 150mW 300mW5.6mm Laser Diode w/ PD. Output Power:CW 150mW Pulse 300mw. Wavelength: 405nm. With ... morePhoto Diode. Don't operate when the power is connected.
$
10.44
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Condition: New
Location: China
Focusable 405nm 10mW Dot/Line/Cross Violet/Blue Laser Diode Module w/Golden Heatsink. Wavelength: 405nm. 1pc 405nm 10mW Dot Laser Module. Focusable: Yes. ... moreOutput Power: 10mW. 1pc 12mm Golden heatsink. Laser Shape:Dot/Line/Cross.
$
9.35
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Condition: New
Location: China
It is a focusable Dot collimating lens, assembly by 405-G-2 glass lens and M9 0.5x9mm housing. Material:high quality coated glass optical lenses for all ... moretypes of blue violet / blue laser products;. Lens focal length: 4.02mm.
$
11.39
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Condition: New
Location: China
Focusable 405nm 20mW Dot/Line/Cross Laser Diode Module Violet/Blue Light Driver in USB Power Supplied. Focusable :Yes. For close range use. Laser Shape: ... moreDot/Line/Cross. Laser reflects blue/violet light depend on materials.
$
13.53
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Condition: New
Location: China
405nm laser beam is not as strong as 532nm green beam and 650nm red beam. Laser shape: DOT. Red wire for positive +, black wire for negative -. Material ... moreand color: brass.
$
9.39
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Condition: New
Location: China
3pcs 405nm 50mw Purple-Blue 5.6mm TO-18 Laser Diode Sony SLD3232VF. 3x 405nm 50mw 5.6mm SLD3232VF Laser Diode. Wavelength: 405nm. Output power: 50mW. ... moreWith Photo Diode. Don't operate when the power is connected.
$
7.06
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$2.00 Shipping
Condition: New
Location: China
Output Power 20mw. Wavelength 405nm. Focusable Yes. Laser Shape Dot. Be sure the operator has experience in optics DIY or testing. The suitable heatsink ... morefor this module:(item no:222241257870). The suitable goggles for this module:(item no:321596241070).
$
55.96
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Condition: New
Location: Southwick, United States
Custom Micro Laser Pointer Kit. The kit is fully modular and easy to assemble and disassemble. This is NOT A TOY and should be treated with respect. Never ... moreaim the beam at any living creature, aircraft, another person's property or anything you shouldn't!
$
16.47
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Condition: New
Location: China
Peak Wavelength: 405nm. Can Type: 5.6mm with Photo Diode. 3x Laser Diode.
$
9.80
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Condition: New
Location: China
2pcs Coated Glass Lens For 405nm 445nm 450nm 473nm Laser Diode w/ Three Layers. Lens Material: Glass. Lens Size: 6mm. Be sure the operator has experience ... morein optics DIY or testing.
$
349.99
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$13.26 Shipping
Condition: Used
Location: Falls Church, United States
Up for sale is a Point-Source Qioptiq iFlex 2000 Laser Diode 405nm 50mW w/ Fiber Optic Cable. This unit has been PULLED FROM A WORKING SYSTEM THAT WAS ... moreDECOMISSIONED AND BEING PARTED OUT. This unit is in GOOD CONDITION with minimal wear from use.
$
21.16
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$5.77 Shipping
Condition: New
Location: 江夏区, China
Model:SLD3237VF. Output power: CW 200mW Max 400mW. Mode: Single-mode laser diode. Working life: more than 10,000 hours s.
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Former Listings  
 
405nm 1000mW 1W 1 Watt Laser Diode Module with 405-G2 Lens Opnext HL40023MG
1000mW(1 Watt! 405nm Violet Laser Diode Module Here is a laser diode assembly removed from low hour prototype equipment which houses a very high power 405nm ultraviolet laser diode. This diode has similar specifications to the Opnext HL40023MG which is rated to produce 400-500mW and is easily overdriven to 1000mW or more. We've individually tested these and guarantee that they will produce 1000mW at around 750mA. Please note that like all laser diodes. These are sensitive to static, overcurrent, reverse voltage and back reflections. Our warranty does not cover diodes damaged due to misuse. Specifications: Output Power: 400-500mW(rated) 1000mW(tested) Wavelength: 405nm +/ 5nm. Threshold Current: 160mA. Operating Current(400mW) Operating Current(1000mW) Operating Voltage: Package: 5.6mm can. Isolated leads. Thorlabs sells the Opnext HL40023MG ... morefor over $1600 each new! Click for more information and a complete spec sheet from the Thorlabs web site. These diodes have 2 leads rather than 3 as shown on the spec sheet. But otherwise have the same specifications. The module is easily disassembled to extract the laser diode and a very nice 6.3mm aspheric collimating lens AR coated for extremely low loss at 405nm. This lens performs similarly to the popular 405-G2 lens. Here I've got a module with the extra optics removed leaving just the collimated laser diode. The laser diode is pressed into a copper heat sink. It can be pressed out with the appropriate tool. See our other auctions for brand new. Bare laser diodes. To see other related items. Be sure to Visit my eBay Store If you like what you see. You can Add Junktronix to your Favorite Sellers List Why Buy From Junktronix? eBay member in good standing since 1996 We specialize in lasers and photonic test equipment and have developed expertise and tools to properly test most of the items we sell All items offered with a 100% Satisfaction Guarantee Payment We always accept payment by PayPal. If your organization does not allow PayPal. Please contact us to arran
405-G-2 G2 laser lens for 405nm & 445nm diode module US SELLER FAST SHIP
Listing is for one 405-G-2 lens with focusing ring. These are the LATEST VERSION of the the G2s and they feature some substantial upgrades. The last two images show the comparison to the old G2s previously used. With the old on the left. The new G2 features a MUCH better anti-reflection coating, with losses predicted to be below 1% through the lens. Power testing for confirmation will be done shortly. Also, the exit aperture size has been greatly increased to allow all of your laser diode's light to pass through unimpeded by the previous brass holder found on the old G2s. The lens surface quality of this latest version has also improved significantly, and produces a much cleaner beam without nearly as many diffraction spots. It is the best G2 lens that anomalytech has ever worked with, and also comes at some of the lowest prices available! ... moreThe G2 offers more than a 30% increase over the standard acrylic lens included in the Aixiz module. For example. If an output of 2.1W was measured with a standard acrylic lens, the G2 would bring the throughput up to 3W. Also, it is rumored that the acrylic lens should not be used in lasers over 1W due to lens heating and melting. Shipping is USPS First Class Mail. And shipping is charged at $0.30 per additional. If Ebay attempts to charge you more than this in shipping, a refund for the difference will be sent through PayPal. Please remember to use lasers safely and legally. The advancement of hobby laser technology depends on lasers remaining legal. Buyer assumes all responsibility on purchase.