optical filters

Small but mighty

Professor Emir Salih Magden updates on plans to commercialise an on-chip broadband optical filter announced last year

Optical filters are encountered in nearly every aspect of the optics, photonics and imaging industries, featuring in applications such as spectroscopy, microscopy, lidar, astronomy and optical communications, in addition to a multitude of others.

Thin Film Interference Filters for LIDAR

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Driven by a multitude of new applications, LIDAR is becoming more efficient, affordable, and accessible than ever. Recent technological advancements have seen dramatically increased accuracy and resolution, even in systems that are small enough to be discretely hidden within the side mirrors of self-driving cars. Thin-film interference filters have kept up with the technology through state-of-the-art design and coating techniques, advanced measurement systems, tight uniformity control, and minimal thermal dependence.

Fine tuning

A laser-based gas analyser that employs novel optical parametric oscillator (OPO) technology was a finalist in this year’s SPIE Prism Awards

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