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532nm/650nm/780nm/808nm/980nmnm Laser Diode Drive Circuit Board |  |
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US $9.99 | 19d 16h 19m |
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808nm 850nm 980nm 200mw-1000mw Laser Diode Drive Circuit Board 12V | |
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US $19.00 | 5d 9h 16m |
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635nm 638nm 50-500mw Laser Diode Drive Circuit Board | |
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US $19.00 | 15d 3h 1m |
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50mW-800mW 445nm/450nm Laser Diode Drive Circuit Board 12V | |
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US $19.00 | 8d 20h 45m |
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5mW 650nm No circuit red dot Laser Diode Module with PD | |
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US $10.00 | 23d 21h 53m |
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20mw-320mW 5.5V 405nm Blue-violet Laser Diode Driver Light Boost Circuit 9*20mm | |
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US $12.50 | 19d 10h 42m |
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Laser Diode Circuit
have any body did projects using laser diode?
i need power supply circuits for laser diode.
Most laser diodes that I work with use 5VDC. If it is only a school project then I would use three class D flashlight batteries and connect them in series to supply 4.5VDC. I think it will operate at 3VDC where you would only need two flashlight batteries but I like to give an extra push. Write a separate thread if you want me to tell you how to build a 5VDC power supply using only a common outlet in your house that would cost very little to build.
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532nm/650nm/780nm/808nm/980nmnm Laser Diode Drive Circuit Board | |
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US $9.99 | 19d 16h 19m |
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808nm 850nm 980nm 200mw-1000mw Laser Diode Drive Circuit Board 12V | |
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US $19.00 | 5d 9h 16m |
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635nm 638nm 50-500mw Laser Diode Drive Circuit Board | |
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US $19.00 | 15d 3h 1m |
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50mW-800mW 445nm/450nm Laser Diode Drive Circuit Board 12V | |
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US $19.00 | 8d 20h 45m |
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5mW 650nm No circuit red dot Laser Diode Module with PD | |
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US $10.00 | 23d 21h 53m |
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20mw-320mW 5.5V 405nm Blue-violet Laser Diode Driver Light Boost Circuit 9*20mm | |
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US $12.50 | 19d 10h 42m |
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No items matching your keywords were found.
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532nm/650nm/780nm/808nm/980nmnm Laser Diode Drive Circuit Board | |
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US $9.99 | 19d 16h 19m |
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405nm Laser Diode Driver 3-5.5V CC Circuit 2pcs/package | |
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US $8.00 | 18d 17h 25m |
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Diode Lasers and Photonic Integrated Circuits, L. A. Co | |
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US $194.94 | 22d 19h 54m |
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Diode Lasers and Photonic Integrated Circuits, Second E | |
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US $145.60 | 21d 17h 52m |
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635nm 638nm 50-500mw Laser Diode Drive Circuit Board | |
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US $19.00 | 15d 3h 1m |
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808nm 850nm 980nm 200mw-1000mw Laser Diode Drive Circuit Board 12V | |
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US $19.00 | 5d 9h 16m |
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50mW-800mW 445nm/450nm Laser Diode Drive Circuit Board 12V | |
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US $19.00 | 8d 20h 45m |
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NEW Diode Lasers and Photonic Integrated Circuits - Col | |
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US $117.58 | 1d 16h |
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5mW 650nm No circuit red dot Laser Diode Module with PD | |
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US $10.00 | 23d 21h 53m |
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20mw-320mW 5.5V 405nm Blue-violet Laser Diode Driver Light Boost Circuit 9*20mm | |
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US $12.50 | 19d 10h 42m |
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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 |
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LightEmitting Diode $68.51 Light emitting diode. Oleg Losev, List of LED failure modes, Organic light emitting diode, Miniature light emitting diode, Solid state lighting, LED lamp, LED power sources, Electrical polarity of LEDs, LED circuit, LED as light sensor Author: Miller, Frederic P./ Vandome, Agnes F./ McBrewster, John Binding Type: Paperback Number of Pages: 74 Publication Date: 2009/10/08 Language: English Dimensions: 5.98 x 9.01 x 0.17 inches |
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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 |
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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 |
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Monolithic Diode-Laser Arrays $79.9 No Synopsis Available |
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Diode Laser Arrays $89.7 No Synopsis Available |
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Laser Diode Modulation and Noise $145.28 No Synopsis Available |
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CET Domain 10021910 Playstation 3 Compatible Laser Diode $72.83 Replace your damaged laser diode built for Playstation 3 KEM400AAA and KES400AAA laser lenses. Use and replace your laser diode with precaution. All laser diodes are extremely ESD sensitive. Compatible Models: Playstation 3 compatible KEM400AAA and KES400AAA laser lenses (sold seperately). Note: Installation guide is not included' please look for it online or use the help of an accreditate technician. We will not be responsible for any damage of your device due to improper installation. This item takes between 721 days to ship/arrive because it ships out of Hong Kong or China. |
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Cet 10021911 Playstation 3 Compatible 410 Series Laser Diode $46.28 Replace your damaged laser diode built in your PlayStation 3 KEM410 and KES410 laser lens. Use and replace your it with precaution as this laser diode is very fragile and extremely ESD sensitive. Compatible Models: Playstation 3 compatible KEM410 and KES410 laser lenses (not included). Note: Installation guide is not included' please look for it online or use the help of an accreditate technician. We will not be responsible for any damage of your device due to improper installation. This item takes between 721 days to ship/arrive because it ships out of Hong Kong or China. |
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Circuit $11.49 Circuit |
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Simulation of Ingan Blue Laser Diode $172.06 In this book, the design of InGaN LDs structures including multi quantum wells (MQWs) active region device are described and investigated by integrated system engineering technology computer aided design (ISE TCAD) device simulator. The parameters of the LDs structures are varied and optimized for high performance. This optimization study involves aspects such as thickness of active region, doping, thickness of stopper layer region, thickness of quantum wells and quantum barriers, number of quantum wells and several approaches to improve and achieve high efficiency, low threshold current and high output power of InGaN LDs. The basic LDs structures treated here are FabryPerot type InGaN double heterostructure (DH), separate confinement heterostructure (SCH) and multi quantum wells (MQWs).High performance LD has been obtained by using multi quantum wells incorporated with the optimized parameters. The lowest threshold current, higher external quantum efficiency and characteristic temperature are obtained when the number of InGaN well layers is two, at our laser emission wavelength of 415 nm, which is related to the problem of inhomogeneous carrier. Author: Thahab, Sabah Binding Type: Paperback Number of Pages: 232 Publication Date: 2011/01/31 Language: English Dimensions: 5.98 x 9.00 x 0.53 inches |
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Diode Laser and Naocl as Root Canal Disinfectant $111.53 Enterococc faecalis considered to be the mostresistant bacteria of the root canal, in the presentstudy we used two types of root canal disinfectant toshow their effect on this type of bacteria, the firstis the diode laser and the second NaOCl solution withspecial concentrations and times. the study conductedon human decoronated extracted teeth, adjusted with13mm root length, filled with a suspension of E.faecalis, Samples were divided into 14 groups eachgroup consisted of 10 prepared roots, sixty sampleswere irrigated with NaOCl solution at differentconcentrations (0.5, 2.5 and 5.25) at twoselected times (2 minutes and 5 minutes) for eachconcentration.Sixty samples were irradiated at different powers (2W, 2.5W and 3W); each power at thetotal irradiation time 30 and 60 seconds. Whencomparison was made between NaOCl irrigant and diodelaser in a combination among differentconcentrations, powers and times the result showedthat 5.25 NaOCl at both 2 minutes and 5 minutes hadthe highest antimicrobial effect with no significantdifferences from 3W laser / 10 sec (6 cycles) butsignificantly different from 3W / 5 sec (6 cycles). Author: Shehab, Najwan F./ Zakaria, Assistant Prof Nawfal a./ Taha, Prof Dr Mahmoud y. Binding Type: Paperback Number of Pages: 104 Publication Date: 2011/07/29 Language: English Dimensions: 9.02 x 5.98 x 0.25 inches |
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The Blue Laser Diode: The Complete Story $233.03 No Synopsis Available |
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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. |
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Laser Diode Beam Basics, Manipulations and Characterizations $48.7 No Synopsis Available |
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High Power Diode Lasers: Technology and Applications $511.65 This book summarizes a five year research project, as well as subsequent results regarding high power diode laser systems and their application in materials processing. The text explores the entire chain of technology, from the semiconductor technology, through cooling mounting and assembly, beam shaping and system technology, to applications in the processing of such materials as metals and polymers. Includes theoretical models, a range of important parameters and practical tips. Author: Bachmann, Friedrich/ Loosen, Peter/ Poprawe, Reinhart Series Title: Springer Series in Optical Sciences Series Number: 128 Binding Type: Paperback Number of Pages: 560 Publication Date: 2010/11/29 Language: English Dimensions: 9.21 x 6.14 x 1.14 inches |
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Diode Lasers and Photonic Integrated Circuits (Wiley Series in Microwave and Optical Engineering)
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DescriptionDiode Lasers and Photonic Integrated Circuits, Second Edition provides a comprehensive treatment of optical communication technology, its principles and theory, treating students as well as experienced engineers to an in-depth exploration of this field... |
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Principles of Semiconductor Laser Diodes and Amplifiers: Analysis and Transmission Line Laser Modelling
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DescriptionOptical communications technology is growing increasingly in importance, with a rapid pace of development. Innovative optical devices have emerged from the integration of semiconductor laser diodes, amplifiers and filters with optical waveguide technology... |
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Tunable Laser Diodes (Artech House Optoelectronics Library)
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DescriptionHere's the first and only single-source survey of monolithic tunable semiconductor lasers including the latest applications in optical communication systems. This comprehensive reference discusses the underlying physics, operational principles, and performance and applications of tunable laser diodes... |
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2100mA Constant Current Laser Diode Driver
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DescriptionOur Small 2100mALDD diode laser drivers provide high efficiency and require no external current limiting resistors. A fast response current-sensing circuit makes the 2100mALDD ideal for applications where flashing or strobe operation of the Laser Diode is required... |
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Aimpoint 4 MOA CompML2 Sight
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DescriptionThis professional-grade sight is frequently used by law enforcement officers, soldiers, and those who demand the most from their weaponry. The CompML2 is a specially modified version of Aimpoint's innovative CompC sight, and is designed to withstand rough physical handling and extreme temperatures... |
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Aimpoint® H30L Hunter Series GunSight for Standard/Magnum Action Rifles with Multi-coated 35mm objective lens and 12 position digital push button intensity adjustment - Waterproof
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DescriptionBelonging to the Hunter series of sights, the Aimpoint® H30L sight is ideal for use on rifles with standard or magnum actions, and it suits any hunter who desires the classic lines of a full length sight... |
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Aimpoint Hunter30S/30mmSht/ring Gun Scope 12690
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DescriptionBelonging to the Hunter series of sights, the slim, compact design of the Aimpoint H30S makes this sight the perfect choice for compact or lightweight firearms. Ideal for use on standard or short action rifles, as well as shotguns and magnum handguns... |
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Escort Solo S3 Cordless Radar Detector
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DescriptionHigh-Efficiency Battery Design SOLO S3 uses only a fraction of the power used by conventional corded detectors. Using 2 standard (AA) batteries (included), the SOLO S3 provides months of normal driving protection... |
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Atlasnova Green Laser Pointer with Feedback (APC) Class IIIa
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DescriptionThis green laser pointer has a feedback calls APC, abbreviation of Automatic Power Control -- Laser diode drive circuit based on a photodiode feedback loop that monitors the optical output and provides a control signal for the laser diode which maintains the operation at a constant optical output level... |
CNC and DVD-RW laser diode burns creamfields logo on CD case
What type of resistor can I add to my circuit?
Well I have a laser diode here that is less than 1mw.
The only thing I know is that is works great with 3x 1,5v button cell batteries.
i'm using a pc power supply with 5v. So I would like to know what type of resistor can I add to my circuit to protect it.
A 2.1Kohm resistor would be correct if the laser unit CONSUMED 1mW of power from the battery. This would correspond to a current of 0.000222 amps (0.222mA) which could barely light an LED, doubtful it would do anything for the laser.
I would have to guess that the laser OUTPUT power level is 1mW and draws much more than that from the battery, really would need to measure it with a meter that measures current in mA (milliamps).
In the case of most battery power devices, they are not terribly critical as to voltage since they have to allow for the batteries to wear down. As long as you got close to the 4.5v that it was intended to work on, it should work fine.
If you know the amperage, you could calculate the amout of resistance required. You want to "lose" 0.5 volts, divide this by the amperage to get the resistance in ohms. If it draws 0.015 amps (15mA) (just guessing); 0.5/0.015=33.333ohms. A common 33 ohm resistor would work fine, the wattage dissipated in the resistor will be quite small.
Now it's time for the quickie shortcut. We need to drop about 0.5 volts and as yet don't know how many amps it draws. A common silicon rectifier diode will drop between 0.5 and 0.7 volts (depends on current and temperature). Use a 1n4001, 1n914, 4148, whatever is handy. Just put the diode in series with one of the power wires to the laser. If you put the diode in backwards, it wont light but no damage will be done, turn it around and try again.
Please don't stare into the laser light. Thank you.
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