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Laser Circuits
Lasers:  #-D      E-L      M-Z
Last Updated on: Tuesday, August 18, 2015 06:53 AM


Circuits Designed by Dave Johnson, P.E. :

40Khz Burst Laser Diode Driver -  Some laser tag or simulated combat games can use this circuit to send short bursts of modulated laser light at the opponent's vest, equipped with a matching light receiver. The circuit operates from three 1. 5v cells (4. 5v) that should provide enough energy . . . [Hobby Circuit designed by David A. Johnson P.E.,  06/04/00]

Count Cars with Laser -  This is an illustration how a laser could be used to count traffic and measure the speed of each car passing through the sensor area . . . [Hobby Circuit designed by David A. Johnson P.E.,  01/07/07]

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

40Khz Burst Laser Diode Driver -  Some laser tag or simulated combat games can use this circuit to send short bursts of modulated laser light at the opponent's vest, equipped with a matching light receiver. The circuit operates from three 1. 5v cells (4. 5v) that should provide enough energy . . . [Hobby Circuit designed by David A. Johnson P.E.,  06/04/00]

 

A simple and inexpensive laser power meter -  The construction of a simple and inexpensive laser power meter is described. The laser power is monitored using a calorimeter sensor which is based on the use of commercial platinum resistors. In this design, the use of volume absorbing glass enables the meter to withstand peak power densities in the region of 100 MW cm-' and average powers in excess of 10 W at 1. 06 pm. . .  [by A. I. Ferguson]

A Thermoelectric Cooler Temperature Controller for Fiber Optic Lasers -  AN89 Linear Technology This application note presents circuitry for maintaining 0. 01C temperature control of fiber optic lasers over wide ambient range variations. The circuitry also features high efficiency power delivery, compact size and low noise. Detailed descriptions of circuitry and results are given with special emphasis on rmal loop optimization. An appended. . .  [Linear Technology]

 

ADN2841 Evaluation Kit -  AN-629 Analog Devices App Note - This application note describes ADN2841 laser diode driver evaluation kit. The evaluation kit is a demonstration board that provides electrical evaluation of ADN2841. This document describes how to configure board in order to operate part electrically. . . . 

ADN2841 Optical Evaluation Kit -  AN-630 Analog Devices App Note This application note describes ADN2841 laser diode driver Rev. E1 evaluation kit. The evaluation kit is a demonstration board that provides optical evaluation of ADN2841. This document describes how to configure board in order to operate part optically. . . . 

 

ADN2841/ ADN2847 DC-Coupled Optical Evaluation Kit -  AN-631 Analog Devices App Note - This application note describes32-lead ADN2841/ ADN2847 laser diode driver Rev. A1 evaluation kit. The evaluation kit is a demonstration board that provides a dc-coupled optical evaluation of ADN2841 or ADN2847. This document describes how to configure board in order to operate se parts optically. . . . 

 

ADN2847 AC-Coupled Optical Evaluation Kit -  AN-638 Analog Devices App Note -   This application note describes32-lead ADN2847 laser diode driver Rev. A1 evaluation kit. The evaluation kit is a demonstration board that provides ac -coupled opti cal evaluation of ADN2847. This document describes how to configure board to operate se parts optically. . . . 

 

ADN2848 AC-Coupled Optical Evaluation Kit -  AN-637 Analog Devices App Note -   This application note describes32-lead ADN2848 laser diode driver Rev. A1 evaluation kit. The evaluation kit is a demonstration board that provides ac-coupled optical evaluation of ADN2848. This document describes how to configure board in order to operate this part optically. . . . 

 

AN-1333: LMH6533 Four Channel Laser Diode Driver -  Application Note. . .  [National Semiconductor]

 

AN-619: Using the ADN8810 Demo Board v2.0 -  AN-619 Analog Devices App Note - The ADN8810 is a 12-bit, high output current D/A converter that is controlled through a serial peripheral interface (SPI). The device can be used as a current source for tunable lasers or or precision high output current applications, like 4 20 mA control loops. . . . 

 

AN-655: Tunable Laser Reference Design for Designers with the ADUC832/ ADN8830/ ADN2830 -  AN-655 Analog Devices App Note - . . . 

 

AN-658: Optical Channel Identification on the ADN284x Laser Drivers Part I -  AN-658 Analog Devices App Note - . . . 

 

AN-772: A Design & Manufacturing Guide for the Lead Frame Chip Scale Package -  AN-772 Analog Devices App Note - . . . 

 

Biasing And Modulating Laser Diodes -  . . . 

 

Circuit for temperature stabilisation of laser diodes -  . . . 

 

Circuit provides laser-diode control -  09/19/02  EDN Design Idea   Laser diodes are sensitive to ESD, rapid turn-on currents, and overvoltage conditions. To address those problems, the simple laser-diode controller in Figure 1 has several functions. The first part of the circuit comprises an 8. 2V . . .  [by Michael Fisch, Agere Systems, Longmont, CO]

 

Circuits for biasing and modulating laser diodes -  After several mishaps trying to set up laser diode feedback regulators I decided there had to be a better way! The following circuit is a result of my experimentation. This regulator has been used for CW, MCW, FM, SSB, BPSK and video with no difficulty. Since going to this circuit I have not lost a single laser diode! It has been used with laser diodes from 5 mw to 500 mw. . . .  [by by John, K3PGP]

 

Communication with Laser Beam -  Communicating with laser is not new. Here the laser beam is used as a carrier, which is modulated by the signal to be transmitted. . . .  [ EFY Enterprises Pvt. Ltd. All rights reserved]

 

Complete Helium Neon Laser Power Supply Schematics -  11 AC line and 4 inverter types, most you can build. . .  [Author's name not given]

 

Count Cars with Laser -  This is an illustration how a laser could be used to count traffic and measure the speed of each car passing through the sensor area . . . [Hobby Circuit designed by David A. Johnson P.E.,  01/07/07]

 

Current Sources for Fiber Optic Lasers -  AN90 A large group of fiber optic lasers are powered by DC current. Laser drive is supplied by a current source with modulation added to the signal. The current source, although conceptually simple, constitutes an extraordinarily tricky design problem. There are a number of practical requirements for a fiber optic current source and failure to consider them can cause laser and/or optical component destruction. This application note describes ten laser current source circuits with a range of capabilities. High and low current types are presented, along. . .  [Linear Technology]

 

Current sources for fiber-optic lasers: a compendium of pleasant current events -  08/22/02  EDN Technical Article: It takes an aura of thoughtful caution to design a laser current source. A range of circuits that use linear and switched-mode techniques shows how. . .  [by Jim Williams, EDN's most revered contributor-At 63 years of age, Williams passed away in June 2011 after a stroke.]

 

Diode laser electronic circuits for atom optics -  . . . 

 

Diode Laser Power Supplies -  Drive requirements, modulation, sample circuits for low and high power devices. . .  [Author's name not given]


Laser Circuits
Lasers:  #-D      E-L      M-Z


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