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Project Portfolio > Laser Alignment System for Tunable Diode Laser Sensors | |
Laser Alignment System for Tunable Diode Laser Sensors |
Introduction Alignment of the beam between the launch optics and detector can sometimes be a challenge for users of TDL instruments. This is particularly true for situations where beam misalignments are caused by periodic movements of the launch optics and detector due to thermal transients or other phenomena associated with the process. To address this issue, Bergmans Mechatronics LLC has developed the Laser Alignment System (LAS), which can be interfaced to TDL instruments for continuous and automatic beam alignment. System Description The LAS also receives the LasIR detector signal and independently evaluates the signal strength. An optimization algorithm in the LAS Processing Unit adjusts the two stepper motors in the launch optics enclosure with the objective of maximizing the detector signal strength. Through continuous maximization of the signal strength, the LAS is able to keep the beam aligned despite relative movements of the launch optics and detector. Additional information about the LAS can be found in the following documents.
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