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Most Popular Articles
PbSe Infrared Detectors: It's Easier To Make A Detector Noise Limited System Than You Think
By Larry Johnson and Susan Wells, Laser Components

The key to making an instrument detector noise limited instead of circuit noise limited is understanding the relationships between signal-to-noise ratio and bias voltage, and between optical frequency chopping and detector noise levels.

FM Spectroscopy With Tunable Diode Lasers
By Newport

Frequency-modulation spectroscopy (FMS) offers high sensitivities and a simple setup, especially with tunable diode lasers. This application note explains the essential elements of the physics of FMS and the basic physics of FM “saturation” spectroscopy.

Understanding LIDT Laser Optics For High-Power Lasers
By Gooch & Housego PLC

To analyze the specific damage characteristics of high-power laser optics, it is important to understand the laser induced damage threshold (LIDT), an analytical threshold determination method that can reveal damage diagnostics, and its testing provides a lower-cost option for coating development. 

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