首页> 外国专利> A TUNING SYSTEM FOR A TUNEABLE DIODE LASER SPECTROSCOPY DEVICE COMPRISING A THERMO ELECTRIC COOLER AND A STIRLING COOLER

A TUNING SYSTEM FOR A TUNEABLE DIODE LASER SPECTROSCOPY DEVICE COMPRISING A THERMO ELECTRIC COOLER AND A STIRLING COOLER

机译:包括热电冷却器和斯特林冷却器的可调谐二极管激光光谱装置的调谐系统

摘要

The present invention relates to a laser thermal tuning system for a tuneable diode laser spectroscopy device, the system comprising: a thermoelectric cooler (3); a further cooler (4) such as a Stirling cooler; a laser diode (2) arranged between the thermoelectric cooler and the further cooler and coupled to each of the thermoelectric cooler and the further cooler; and control means for controlling each of the thermoelectric cooler and the further cooler to control the temperature of the laser diode and thereby vary the output wavelength of the laser diode. This arrangement provides the benefit of a TDLAS analyser with an analytical wavelength range which is sufficient to analyse a large number of species yet which is low cost and has a long operating life.
机译:本发明涉及一种用于可调二极管激光光谱仪的激光热调谐系统,该系统包括:热电冷却器(3);以及另一个冷却器(4),例如斯特林冷却器;激光二极管(2),其布置在热电冷却器和另一冷却器之间,并耦合到热电冷却器和另一冷却器中的每一个;控制装置,用于控制热电冷却器和进一步的冷却器中的每一个以控制激光二极管的温度,从而改变激光二极管的输出波长。这种布置提供了具有分析波长范围的TDLAS分析仪的优势,该波长范围足以分析大量种类,但成本低廉且使用寿命长。

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