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Chopping Diode Laser Beam Electrically at High Speed with Low Noise

Time: 2016-08-25 17:21:24    Click: 149

By Gang Liu, Nan Shi, and Hongtao Zhou, Analog Technologies, Inc. Chopping a laser beam is often a necessary practice. For a diode laser, it is much simpler and less costly to chop the beam electrically, rather than mechanically. The output laser beam power, PO, versus the laser diode input current, ILD, characteristics are shown in Fig. 1. Fig. 1 Output Laser Beam Power vs. Laser Input Current In this figure, PO is the optical output power of the laser diode; ILD is the laser diode input curren...(more)

Thermoelectric Cooler Controller Design

Time: 2015-11-20 15:47:17    Click: 393

This article is from Photonics Magazine. TEC controller design experts from Analog Tehcnologies, Inc offer tips to lower the cost and simplify the design of the devices, and to increase their ease of use. Thermoelectric cooler (TEC) control...(more)

Laser Technology

Time: 2014-12-26 16:03:00    Click: 263

The laser is a device that a beam of light that is both scientifically and practically of great use because it is coherent light. The beam is produced by a process known as stimulated emission, and the word laser is an acronym for the phras...(more)

Get A Reason on Why Use TEC Controller for Your Devices

Time: 2014-12-15 09:59:02    Click: 268

The thermoelectric Cooler that is found in many electronic appliances requires precision temperature control. Reason being why TEC controllers are used and are must to maintain in order to keep a watch on temperature variation. Critical com...(more)

Reduce Risk of Burning Electronic Equipments with NTC Thermistors

Time: 2014-12-15 09:57:31    Click: 205

Thermistors are temperature- sensing elements. They are made up of semiconductor material and are largely used in electrical parts and electronic items. The materials used in thermistors manufacturing are capable of indicating large changes...(more)

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