We demonstrate spectrally-tunable Fabry-Perot bandpass filters operating across the MWIR
by utilizing the phase-change material GeSbTe (GST) as a tunable cavity medium between …

Thin-disk lasers are indispensable in photonics research as well as in a multitude of
industrial applications. They represent a unique class of laser and amplifier architecture that …

We report on kW-class dense wavelength beam combining of a laser diode module
consisting of ten broad-area laser diode bars by using a novel multi-laser cavity approach …

Tunable infrared filters are important for various optical and optoelectronic systems. Ideally,
such filters should span wide spectral ranges while retaining constant performance. Here, as …

In the Advanced Virgo+ interferometric gravitational-wave detector, the length control of the
Fabry-Pérot cavities in the arms and of the detuned filter cavity, used for generating …

A series combination of a shortwave pass (SWP) filter and a longwave pass (LWP) filter is
provided in an arrangement where the filters are separately and independently controlled by …

The Phase change material-based actively-tunable filter (P-ACTIVE, Dr. Hyun Jung Kim, the
Principal Investigator/PI) project is a NASA Langley Research Center (LaRC)-led research …

This work presents fundamental understanding of the correlation between nanoindentation
hardness and practical scratch resistance for mechanically tunable anti-reflective (AR) …

Wavelength-selective coatings are broadly applied across diverse industries such as solar
energy management, infrared sensing, telecommunications, laser optics, and eye-protective …

The present disclosure relates to thin film optical interference filters. The filters include a
substrate and a plurality of alternating material layers deposited on the substrate. When …