@inproceedings{1cc5285d49144f84bae1f87c65081b47,
title = "Compact large-aperture Fabry-P{\'e}rot interferometer modules for gas spectroscopy at Mid-IR",
abstract = "VTT has developed Fabry-P{\'e}rot Interferometers (FPI) for visible and infrared wavelengths since 90's. Here we present two new platforms for mid-infrared gas spectroscopy having a large optical aperture to provide high optical throughput but still enabling miniaturized instrument size. First platform is a tunable filter that replaces a traditional filter wheel, which operates between wavelengths of 4-5 um. Second platform is for correlation spectroscopy where the interferometer provides a comb-like transmission pattern mimicking absorption of diatomic molecules at the wavelength range of 4.7-4.8 um. The Bragg mirrors have 2-4 thin layers of polysilicon and silicon oxide",
keywords = "Fabry-Perot Interferometer, gas, spectroscopy, infrared, correlation, tunable filter",
author = "Uula Kantoj{\"a}rvi and Aapo Varpula and Tapani Antila and Christer Holmlund and Jussi M{\"a}kynen and Antti N{\"a}sil{\"a} and Rami Mannila and Anna Rissanen and Jarkko Antila and Disch, {Rolf J.} and Waldmann, {Torsten A.}",
note = "Project code: 75293; SPIE Photonics West 2014 ; Conference date: 01-02-2014 Through 06-02-2014",
year = "2014",
doi = "10.1117/12.2036336",
language = "English",
isbn = "978-0-8194-9905-9",
series = "Proceedings of SPIE",
publisher = "International Society for Optics and Photonics SPIE",
editor = "Soskind, {Yakov G.} and Craig Olson",
booktitle = "Photonic Instrumentation Engineering",
address = "United States",
}