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Proceedings Paper

Single resonance monolithic Fabry-Perot filters formed by volume Bragg gratings and multilayer dielectric mirrors
Author(s): Julien Lumeau; Cihan Koc; Oleksiy Mokhun; Vadim Smirnov; Michel Lequime; Leonid B. Glebov
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Paper Abstract

High efficiency reflecting volume Bragg gratings (VBGs) recorded in PTR glass plates have shown un-preceded performances that make them very good candidates for narrowband spectral filtering with sub-nanometer spectral widths. However, decreasing the bandwidth to value below 30-50 pm is very challenging as it requires increasing the thickness of the RBG to more than 15-20 mm. To overcome this limitation, we propose a new approach which is a monolithic Fabry-Perot cavity which consists from a reflecting VBG with a multilayer dielectric mirror (MDM) deposited on its surface. A VBG with a grating vector perpendicular to its surface and a MDM produce a Fabry-Perot resonator with a single transmission band inside of the reflection spectrum of the VBG. We present a theoretical description of this new class of filters that allow achieving a single ultra-narrowband resonance associated with several hundred nanometers rejection band. Then we show the methods for designing and fabricating such filter. Finally, we present the steps that we followed in order to fabricate a first prototype for 852 nm and 1062 nm region that demonstrates a 30 pm bandwidth, 90+% transmission at resonance and a good agreement with theoretical simulation.

Paper Details

Date Published: 2 March 2012
PDF: 8 pages
Proc. SPIE 8257, Optical Components and Materials IX, 82570I (2 March 2012); doi: 10.1117/12.908199
Show Author Affiliations
Julien Lumeau, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)
Cihan Koc, Institut Fresnel, CNRS (France)
Oleksiy Mokhun, OptiGrate Corp. (United States)
Vadim Smirnov, OptiGrate Corp. (United States)
Michel Lequime, Institut Fresnel, CNRS (France)
Leonid B. Glebov, CREOL, The College of Optics and Photonics, Univ. of Central Florida (United States)

Published in SPIE Proceedings Vol. 8257:
Optical Components and Materials IX
Shibin Jiang; Michel J. F. Digonnet; J. Christopher Dries, Editor(s)

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