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LDBI multi-channels high-power laser aging system
The multichannel high power laser aging system is designed to solve the problems of kilowatt high power semiconductor laser chip and pump laser module which need to use narrow pulse high current testing and aging, chip heating serious and so on. It is a set of universal, high power, circulating water cooling aging testing system. The product has good constant current characteristics of large current and narrow pulse, stable current, strong anti-interference ability, and has the functions of anti-overshock, anti-recoil, anti-surge voltage regulation and constant current dual protection circuit, which provides a complete solution for the aging test of high-power semiconductor laser chip and pump laser module.
Product Feature
█ A single drawer supports a maximum of 16 channels and a maximum of 8 drawers
█ Each channel is independent of the other
█ Current reading, synchronous automatic measurement of voltage, optical power and other data
█ Heating film heating, temperature control range of room temperature -125℃
█ Power supply anti-surge design
█ Light receiving device water cooling
█ Absolute accuracy ±1℃, different DUT temperature uniformity ±2℃
█ Automatic aging data recording and data export
The multichannel high power laser aging system is designed to solve the problems of kilowatt high power semiconductor laser chip and pump laser module which need to use narrow pulse high current testing and aging, chip heating serious and so on. It is a set of universal, high power, circulating water cooling aging testing system. The product has good constant current characteristics of large current and narrow pulse, stable current, strong anti-interference ability, and has the functions of anti-overshock, anti-recoil, anti-surge voltage regulation and constant current dual protection circuit, which provides a complete solution for the aging test of high-power semiconductor laser chip and pump laser module.
Device loading using drawer type structure, equipment can flexibly expand up to 4 layers of structure, each layer design a number of paths, each path supports 1-16 laser series aging.
The aging system of multichannel high power laser adopts the newly developed and independently designed high current pulse constant current source, which is perfectly compatible with CW mode and QCW mode, and supports DC constant current, DC scanning, pulse DC, pulse scanning and other four modes. The system includes high temperature environment control device, DC or pulse drive power supply, light receiving device, optical fiber, spectrometer (optional), circulating water cooling system, customized fixture, temperature collector and upper computer, etc. The upper computer program for automatic testing, automatic collection of semiconductor laser drive current, laser voltage, laser optical power, ambient temperature. Realize multi-unit, high efficiency, automatic monitoring and recording test data upload integration test system.
Product selection
| Item | Working mode | Pulse width | Pulse frequency | Voltage measurement | voltage measurement channels | Photocurrent detection | Photocurrent detection channel |
|---|---|---|---|---|---|---|---|
| Specification | CW and QCW | Min100μs，Max3ms | 0~10kHz，0.1Hz | 0-100V，0.1%FS±80mV | 16channels | 0~10mA Range，0.5%±60μW | 1 channel, can support 16 channels of time-division multiplexing |
| 1μs | |||||||
| Maximum duty cycle 3% |
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