SCOUT: a small vacuum chamber for nano-wire grid polarizer tests in the ultraviolet band

F. Landini; M. Pancrazzi; M. Totaro; G. Pennelli; M. Romoli

doi:10.1117/12.917910

15 November 2011 SCOUT: a small vacuum chamber for nano-wire grid polarizer tests in the ultraviolet band

F. Landini, M. Pancrazzi, M. Totaro, G. Pennelli, M. Romoli

Proceedings Volume 8335, 2012 International Workshop on Image Processing and Optical Engineering; 83350C (2011) https://doi.org/10.1117/12.917910
Event: 2012 International Workshop on Image Processing and Optical Engineering, 2012, Harbin, China

Abstract

Within the Section of Astronomy of the Department of Physics and Astronomy of the University of Firenze (Italy), the XUVLab laboratory is active since 1998 dedicated to technological development, mainly UV oriented. The technological research is focused both on electronics and optics. Our last approach is dedicated to the development of innovative wiregrid polarizers optimized to work in transmission at 121.6 nm. The manufacturing of such optical devices requires advanced technological expertise and suitable experimental structures. First, nanotechnology capability is necessary, in order to build several tiny parallel conductive lines separated by tens of nanometers on wide areas to be macroscopically exploitable in an optical laboratory. Moreover, the characterization of such an advanced optical device has to be performed in vacuum, being air absorptive at 121.6 nm. A dedicated small vacuum chamber, SCOUT (Small Chamber for Optical UV Tests) was developed within our laboratory in order to perform practical and fast measurements. SCOUT hosts an optical bench and is equipped with several opening flanges, in order to be as flexible as possible. The flexibility that has been reached with SCOUT allows us to use the chamber beyond the goals it was thought for. It is exploitable by whatever compact (within 1 m) optical experiment that investigates the UV band of the spectrum.

Citation Download Citation

F. Landini, M. Pancrazzi, M. Totaro, G. Pennelli, and M. Romoli "SCOUT: a small vacuum chamber for nano-wire grid polarizer tests in the ultraviolet band", Proc. SPIE 8335, 2012 International Workshop on Image Processing and Optical Engineering, 83350C (15 November 2011); https://doi.org/10.1117/12.917910

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KEYWORDS

Polarizers

Ultraviolet radiation

Monochromators

Optics manufacturing

Nanowires

Computer aided design

Astronomy

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