Title :
New acousto-optic tunable filter for spectrophotometric applications
Author :
Pelekhaty, V. ; Xiaolu Wang
Author_Institution :
Brimrose Corp. of America, Baltimore, MD, USA
Abstract :
Summary form only given. Tellurium dioxide (TeO/sub 2/) is a very popular crystal as an interaction medium for acousto-optic tunable filters (AOTFs) in both visible and IR. This is due to its high birefringence and figure-of-merit for slow shear wave propagating closely to <110> direction. However there are intrinsic drawbacks associated with the TeO/sub 2/ crystal, which prevent a conventionally designed noncollinear AOTF from achieving subnanometer spectral resolution with a reasonable optical aperture, which are necessary for many electroscopic applications, such as Raman. This paper presents a newly designed TeO/sub 2/ filter which overcomes these drawbacks.
Keywords :
acousto-optical filters; spectrophotometry; tellurium compounds; TeO/sub 2/; acousto-optic tunable filter; noncollinear AOTF; optical aperture; shear wave; spectral resolution; spectrophotometry; tellurium dioxide crystal; Apertures; Optical attenuators; Optical beams; Optical filters; Optical propagation; Optical sensors; Optimized production technology; Power harmonic filters; Pulse measurements; Transducers;
Conference_Titel :
Lasers and Electro-Optics, 1996. CLEO '96., Summaries of papers presented at the Conference on
Conference_Location :
Anaheim, CA, USA
Print_ISBN :
1-55752-443-2
