Laser Diode Bar Array

Laser diodes bars and multimode laser diode stacks are available in unmounted laser diode bars or mounted in conductively or actively cooled packages. High power diode laser packaged bars and arrays. While laser diode bars are used widely as laser pump sources by using the right optical techniques light from the same sorts of diodes can be directly coupled into optical fibers to produce a high power direct diode laser notes tracey ryba product manager for lasers at the trumpf laser technology center plymouth mi.

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Diode bars are high power semiconductor lasers laser diodes containing a one dimensional array of broad area emitters or alternatively of subarrays containing 10 20 narrow stripes.

Laser diode bar array.

For even higher power applications these bars can be stacked and put into a single package capable of producing kilowatts of laser power. High power diode laser arrays 135 laser bars as well as single emitters are assembled with the p n junc tion very close 2 mm to the heat sink or heat spreader p side down solder and heat sink material must be chosen carefully to avoid any. Packed with our patented solder free clampingtm technology. A wide variety of wavelengths are available 640 nm 1920 nm in both continous wave cw and quasi contnous wave qcw operation modes.

Customized protection for high power laser bars and arrays these current sources feature multiple levels of built in laser diode protection which have been optimized for bars and arrays. In a bar the individual emitting areas emitters lie side by side and together with the non emitting areas between the emitters they form the so called active layer. One of the unique features is a user programmable soft start ramp of the bias current to the device under test. They typically contain between 20 and 50 emitters each being e g.

Proudly offers diode laser packaged bars vertical arrays stacked laser diode arrays and horizontal arrays linear laser diode arrays at wavelengths ranging from 808nm to 1100nm with high output power up to 6000w in cw and qcw operation mode and different package. Complete turnkey capabilities complete laser modules integration of state of the art electronic driver circuits micro and bulk optics and thermo mechanical package design. In this case m icrochannel cooling is often used in laser diode bar stacks due to a large amount of waste heat in a small area. Single bar mounts vertical and horizontal diode laser stacks linear arrays direct diode lasers and fiber coupled lasers.

All products laser diodes laser bars and arrays. The figure below shows a typical structure of a laser diode array. Visible ir laser diode high power bars stacked arrays individually addressable arrays quantum well intermixing technology vcsel.