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25 September 2001 Wavefront sensing techniques for adaptive optics systems
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Proceedings Volume 4417, Photonics 2000: International Conference on Fiber Optics and Photonics; (2001) https://doi.org/10.1117/12.441351
Event: Photonics 2000: International Conference on Fiber Optics and Photonics, 2001, Calcutta, India
Abstract
The design and fabrication of a fiber optic pH sensor working on the basis of evanescent wave absorption is presented. A pH sensitive dye is immobilized on the uncladded portion of the optic fiber by sol-gel route. The sensitivity of the device is found to increase when multiple sol-gel coatings are used as the cladding in the sensing region. The sensor response and its dynamic range are reported for two pH indicator dyes, vis. bromocresol purple and bromocresol green.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Mina Ray, Samir Kumar Sarkar, Rabindra Nath Chakraborty, and Amitabha Basuray "Wavefront sensing techniques for adaptive optics systems", Proc. SPIE 4417, Photonics 2000: International Conference on Fiber Optics and Photonics, (25 September 2001); https://doi.org/10.1117/12.441351
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