Blais-Ouellette, Sébastien and Wishnow, Edward H. and Shopbell, Patrick L. and van Breugel, Wil and Taylor, Keith and Smith, Roger (2004) Double Bragg grating tunable filter. In: Ground-based Instrumentation for Astronomy. Proceedings of SPIE. No.5492. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, pp. 779-786. http://resolver.caltech.edu/CaltechAUTHORS:20180619-133817448
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Abstract
A novel concept for a very efficient tunable filter for the optical and near infrared is proposed. The filter consists of two parallel volume phase holographic Bragg gratings used in a dispersion-recombination configuration. The passband profile is determined by the first order grating efficiency curve which changes in wavelength according to the angle of incidence. The filter can be continuously tuned over ranges of wavelengths larger than 600 nm by adjusting the tilt of the gratings, while bandwidth can be selected between 0.1 and 200 nm. The conceptual design is presented, along with predicted performances. Potentially useful instruments for large volume surveys and targeted observations are explored, along with application in areas other than astronomy.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 2004 Society of Photo-Optical Instrumentation Engineers (SPIE). The work by EW and WvB was performed under the auspices of the U.S. Department of Energy by the University of California, Lawrence Livermore National Laboratory under contract No. W-7405-Eng-48. | ||||||
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| Subject Keywords: | astronomy, instruments, near infrared, visible, tunable filter | ||||||
| Record Number: | CaltechAUTHORS:20180619-133817448 | ||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20180619-133817448 | ||||||
| Official Citation: | Sebastien Blais-Ouellette, Edward H. Wishnow, Patrick L Shopbell, Wil van Breugel, Keith Taylor, Roger Smith, "Double Bragg grating tunable filter", Proc. SPIE 5492, Ground-based Instrumentation for Astronomy, (30 September 2004); doi: 10.1117/12.551743; https://doi.org/10.1117/12.551743 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 87233 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | George Porter | ||||||
| Deposited On: | 19 Jun 2018 21:06 | ||||||
| Last Modified: | 19 Jun 2018 21:06 |
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