Hollow retroreflector arrays play a key role in modern Fourier Transform Infrared Spectroscopy (FTIR) technology, especially when conducting long-distance and large-scale spectral analysis.The design of this array ensures that the incident and emitted beams maintain precise  parallelism and can efficiently reflect the beams back to their original path. In this way,hollow retroreflector arrays provide excellent optical wavefront quality, thereby […]

The laser damage threshold is an important parameter that characterizes the resistance of a medium to laser-induced damage. Laser damage refers to the permanent changes in the performance or structure of optical materials or optical thin films under the action of a laser. The high concentration of laser energy can cause local deformation or even complete

The Hartmann-Shack Wavefront Sensor is a highly efficient optical instrument used for precise wavefront analysis in laser system detection. It works by dividing incoming laser light into a grid of small beams through a lenslet array, capturing the wavefront’s phase distortions. These distortions are then measured as spot displacements on a detector, enabling real-time analysis of the laser beam’s quality and aberrations.

This technology is pivotal in applications requiring high-accuracy laser performance, such as optical system alignment, adaptive optics, and laser material processing. Its sensitivity to minute deviations makes it an essential tool for diagnosing and optimizing laser beam profiles, ensuring stability and performance in advanced photonics systems.