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| NEW Mitsubishi 645-655nm 350-500mw High-Power Red Laser Diodes LPC-836/1 pcs/pck | |
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Red Laser Diode
How do I use the laser diode taken from a DVD burner?
I took a CD/DVD burner apart (from an old drive that was broken, not the laser though obviously). I found instructions at http://www.felesmagus.com/pages/lasers-howto.html so I decided to do the same and simply connect 2 AAA batteries to the diode I took out (in fact there were two, one at 780nm for the CD, and 650nm for the DVD). I compared both diodes with the diode taken from a CD burner, and thus figured out which one was the DVD diode.
I connected it with 2 cables to two (in series) AAA batteries...but I only get a very weak beam from it. When I collimate it with a lens it is slightly less powerful than the average 1mW red laser pointer. The guy on the website has a video on there which shows a fairly powerful diverging beam that melts through thin black plastic. How is this possible?
When he says he connects it to a 3vdc source does he mean a different source than 2x 1.5V AAA batteries?
Are there any better instructions out there? Nothing useful was found on google. Thanks!
2 aaa batteries are not enough, to provide enough amperes (or milli amperes in this case) try using NI-CD or NI-MH rechargeable batteries or provide the 3Volts DC from a transformer. usually the average AAA battery delivers less than 100 mA which is not enough for a laser diode
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| NEW Mitsubishi 645-655nm 350-500mw High-Power Red Laser Diodes LPC-836/1 pcs/pck | |
| $15.00 Time Remaining: 2d 5h 32m Buy It Now for only: $15.00 |
| 10 pieces red 5mW Laser diode Module, Adjustable focus lens | |
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| 4x mini 650nm 5mW 5V Laser Dot Diode Module Head WL Red | |
| $0.99 Time Remaining: 1d 4h 7m |
| MITSUBISHI/658nm-660nm 300-350mw CW Red Laser Diode/DIY/TO18 5.6mm | |
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| 10 pieces red 5mW Laser diode Module, Adjustable focus lens | |
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| MITSUBISHI/658nm-660nm 300-400mw CW Red Laser Diode/LPC-826 | |
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| 10 pieces red 5mW Laser diode Module, Adjustable focus lens | |
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| NEW Mitsubishi 645-655nm 350-500mw High-Power Red Laser Diodes LPC-836/1 pcs/pck | |
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| 10 pieces red 5mW Laser diode Module, Adjustable focus lens | |
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| 4x mini 650nm 5mW 5V Laser Dot Diode Module Head WL Red | |
| $0.99 Time Remaining: 1d 4h 7m |
| MITSUBISHI/658nm-660nm 300-350mw CW Red Laser Diode/DIY/TO18 5.6mm | |
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| | R500 650nm 500mw Red laser light, laser diode $195.88 It's widely used in scientific research, laser printing, spectrum analysis, laser show, etc. |
| | Laser Diode Microsystems $301.11 Laser Diode Microsystems provides the reader with the basic knowledge and understanding required for using semiconductor laser diodes in optical microsystems and microoptical electromechanic systems. This tutorial addresses the fundamentals of semiconductor laser operation and design, coupled with an overview of the types of laser diodes suitable for use in Microsystems, along with their distinguishing characteristics. Emphasis is placed on laser diode characterization and measurement as well as the assembly techniques and optical accessories required for incorporation of semiconductor lasers into complex microsystems. Equipped with typical results and calculation examples, this handon text helps readers to develop a feel for how to choose a laser diode, characterize it and incorporate it into a microsystem. Author: Zappe, Hans P./ Zappe, H. Series Title: Microtechnology and Mems (Hardcover) Binding Type: Hardcover Number of Pages: 355 Publication Date: 2003/10/10 Language: English Dimensions: 9.21 x 6.14 x 0.81 inches |
| | Red Laser Pointer Presenter Pen Black Version $6.99 Description:High quality Red Laser Pointer!Laser Pointer Diode BeamWavelength: 650nmMax output: 5mW1 Red Laser pointer pen BeamPressure button for Laser BeamVisibility: Over 1 mile ( AVOID DIRECT EYE EXPOSURE)Output Mode: Constant WaveLaser Pen powered by 2AAA batteries(not included).Use your Laser Pointer to point at any desired targets, project screens, or video monitors, presentations and inspection.Best choice of gifCautions: Avoid direct eye exposure to laser beamSize: 135mm (L) x 11mm (D)Weight: 31g |
| | Red Laser Pointer Presenter Pen Silvery Version $5.99 Description:100% Brand New high quality Red Laser Pointer!Laser Pointer Diode Beam1 Red Laser Pointer pen BeamPressure button for Laser BeamVisibility: Over 1 mile ( AVOID DIRECT EYE EXPOSURE)Output Mode: Constant WaveLaser Pen powered by 2AAA batteries(not included).Use your Laser Pointer to point at any desired targets, project screens, or video monitors, presentations and inspection.Best choice of gift.Cautions: Avoid direct eye exposure to laser beamSize: 135mm (L) x 11mm (D)Weight: 20g |
| | 5mw Red Laser Pointer - Dark Blue Version $3 Description:100% Brand New high quality red laser pointer!Red pen Laser pointer Diode BeamSize: 135mm (L) x 8mm (D)Weight: 47gColor: Dark BlueWavelength: 650nmMax output: 5mW1 Red Laser pointer pen BeamPressure button for Laser BeamVisibility: Over 1 mile ( AVOID DIRECT EYE EXPOSURE)Output Mode: Constant WaveBatteries Type: AAA 1.5V x 2pcs Alkaline Batteries (not included)Useful Kit for Handy Torch, Office/School Presentation, etc.Best choice of gift.Cautions: Avoid direct eye exposure to laser beam |
| | Study of Laser Diode and Edfa $111.53 This book basically gives the over view about The properties of erbiumdoped fiber amplifier (EDFA) such as gain and noise figure have been studied. By determining the characteristics of the 980nm, 1480nm 1550nm laser sources and ASE (amplified spontaneous emission) at the output of the amplifier used to determine the gain and noise figure of EDFA. This model allows to follow the signal (1550nm), pump (980nm) and ASE as they propagate along the fiber and determine population inversion .The both forward and backward propagation ASE are important in determining the overall gain and noise figure. For the amplification of more than 80 channels the DWDM (Dense Wavelength Division Multiplexing) has required CBand (15251565)nm and LBand (15651610)nm EDFA.We show that a flat gain spectrum can be achieved in the range from 1565 to 1610 nm when the EDF length, pump power and pump configuration are appropriately chosen. Special care must be taken when selecting the EDF length. Author: Kumar, Pankaj/ Kumar, Chakresh/ Chack, Devendra Binding Type: Paperback Number of Pages: 68 Publication Date: 2011/06/19 Language: English Dimensions: 9.02 x 5.98 x 0.16 inches |
| | Dime Used to Illustrate Miniature Size of the Diode of an Injection Laser $79.99 Dime Used to Illustrate Miniature Size of the Diode of an Injection Laser - Premium Photographic Print |
| | Greatland Laser Rescue Laser Light $99.99 Greatland Laser Rescue Light . Signal for help, warn oncoming boats of your presence or locate your gear at night Signal other boats and aircraft in search and rescue emergencies, locate an overboard crewmember in the dark or find mooring balls and fishing gear. This compact nighttime signaling device is visible up to 20 miles away in optimal conditions, is effective in daytime up to 3 miles and locates reflective material up to one mile away. Features a long-life red laser diode that lasts up to 10,000 hours. Runs 40 hours on an easily replaceable 3-volt lithium CR123 battery. Machined aircraft aluminum anodized for corrosion resistance. Easy to carry on a keychain or in a pocket. Non-flammable, environmentally safe Rugged, machined aluminum with knurled design Long life laser diode - 10,000 hours meantime to failure Weighs 3.5 oz 3.125" long |
| | HJ-142 5mW Red Laser Pointer Pen(Black) $2.22 - Red laser diode beam.- Wavelength: 650nm. - Max output: 5mW.- 1 red laser beam. - Output mode: Constant Wave.- Pressure button for laser beam. - Batteries type: two AAA Alkaline batteries (Not included). - Useful kit for office or school presentation.- Best choice of gift for your family or friends- Important Notice: Customers should be sure whether their countries are allowed to import red lasers before purchasing. If you're unsure of whether your country allows these kinds of products, we recommend you to contact the custom for confirmation. We will not be responsible for losses due to customs confiscation. |
| | Monolithic Diode-Laser Arrays $79.9 No Synopsis Available |
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| | Omnisistem Magic Box Wide Beam Laser Effect - Red $269 The MAGIC BOX WIDE BEAM Laser Effect with its red diode gives you serious laser performance and 45 preset laser geometric patterns/effects, including a liquid sky, tunnel, and cloud for soaking in your audience. It's an ideal solution for mobile DJs and small-to-medium size clubs and discos. It works with DMX-512 (1 channel), stand alone, and master/slave modes.Power: 117V/60HzControl:DMX-512 (1 Channels)Stand alone (sound active, auto)M/S (sound active, auto)Laser diode:532nm x 10mW red diodeNo variance requiredMetal housing |
| | OmniSistem Club Laser DMX Green $499 The OmniSistem Club Laser DMX fixture has a 4.95mW green diode that delivers different dazzling effects as the beam moves up and down on a vertical axis and hits the 8 laser apertures. The 3-channel DMX-512 fixture works in standalone, sound active, auto modes.The Multicolor version includes a second 4.95mw diode (red) for even more fascinating displays, using advanced color mixing technology to generate red, green, and yellow effects. |
| | OmniSistem Club Laser DMX Multicolor $649 The OmniSistem Club Laser DMX fixture has a 4.95mW green diode that delivers different dazzling effects as the beam moves up and down on a vertical axis and hits the 8 laser apertures. The 3-channel DMX-512 fixture works in standalone, sound active, auto modes.The Multicolor version includes a second 4.95mw diode (red) for even more fascinating displays, using advanced color mixing technology to generate red, green, and yellow effects. |
| | Silver 5mW Red Laser Pointer Presenter Pen with Clip $10.99 Description:High quality Metal Laser Pointer with clip design!Red Laser Pointer Diode BeamWavelength: 650nmMax output: 5mWPressure button for Laser Beam ( AVOID DIRECT EYE EXPOSURE)Output Mode: Constant WaveLaser Pointer Pen powered by 2 AAA batteries (not included)Use the Clip Laser Presenter Pen to point at any desired targets, project screens, or video monitors, presentations and inspection.Best choice of giftSize: 139mm (L) x 12mm (D)Weight: 52g |
| | Metal 5mW Red Laser Pointer Presenter Pen with Clip Black Version $8.99 Description:High quality Metal Laser Pointer with clip design!Red Laser Pointer Diode BeamWavelength: 650nmMax output: 5mWPressure button for Laser Beam ( AVOID DIRECT EYE EXPOSURE)Output Mode: Constant WaveLaser Pointer Pen powered by 2 R1 batteriesUse the Clip Laser Presenter Pen to point at any desired targets, project screens, or video monitors, presentations and inspection.Best choice of giftSize: 109mm (L) x 12mm (D)Weight: 58g |
| | Metal Red Laser Pointer Presenter Pen with Clip Black Version $8.99 Description:High quality Metal Laser Pointer with clip design!Red Laser Pointer Diode BeamWavelength: 650nmMax output: 5mWPressure button for Laser BeamVisibility: Over 1 mile ( AVOID DIRECT EYE EXPOSURE)Output Mode: Constant WaveLaser Pointer Pen powered by 2AAA batteries (not included).Use the Clip Laser Presenter Pen to point at any desired targets, project screens, or video monitors, presentations and inspection.Best choice of giftSize: 139mm (L) x 13mm (D)Weight: 65.7g |
| | 2 in 1 LED Flashlight And Red Laser Pointer Key Ring Red $7.99 Description:100% Brand New high quality product, key chain design for much more convenient to carryOne button for one white LED Flashlight light on & one button for one Red Laser Pointer light onRed Laser Diode BeamMax output: <5mWWave length: 650nmplus or minus10 ( AVOID DIRECT EYE EXPOSURE)Output Mode: Constant WaveKey Chain LED Flashlight powered by 3 x LR41 Button Cell batteryUseful Kit for Handy Torch, Office/School Presentation, etc.Material: metalBest choice of GIFTSize: 8.1cm (L) x 0.9cm (D)Weight: 23gPacakge content:1 x Key Ring Laser Pointer with LED flashlight |
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DescriptionBlack Dimple Finish High Power Green Laser. We ensure that every high power green laser pointer is hand calibrated and tested to output at least 4.99mw and thus offers the expected stunning power expected of a real constant wave green (532nm) laser pointer, much brighter to look at than a regular red laser pointer and always with a visible green beam... |
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dvd writer/burner laser diode demo
why a red diode laser is been used in a virtual keyboard??and what wud happen if the wavelength is increased
If the wavelength is increased to the infrared, the beam produced would be invisible. Most of the danger from a red diode laser, such as it is, would still be present but there would be no visual warning and the beam would be more difficult to aim at the receiver.
