A Raster Plate Made Of Gradient Index Fibers

Zhu Songlai; Dong Xinyi; Zhang Liqing

doi:10.1117/12.969226

7 June 1989 A Raster Plate Made Of Gradient Index Fibers

Zhu Songlai, Dong Xinyi, Zhang Liqing

Proceedings Volume 1032, 18th Intl Congress on High Speed Photography and Photonics; (1989) https://doi.org/10.1117/12.969226
Event: 18th International Congress on High Speed Photography and Photonics, 1988, Xi'an, Shaanxi, China

Abstract

The raster plate to be used in high speed photography is made of gradient index (GRIN) fibers. After analysis, the relationship between the size of image element and parameters of GRIN fibers selected is given. The paper introduces the techniques to fabricate the raster plate. The main problems should be solved are how to put the fibers in good order and how perfect optical identity of them can be achieved. Using the methods, the GRIN fibers raster plate have been made, small image elements and clear raster image points have been obtained. The typical parameters of the raster image plates are listed as following: 120 thousands lenslets are in an area 18 x 25 mm, the diameter of single lenslet d = 0.055mm, focus spot s = 3.5 um, numerical aperture N.A. = 0.3 and focus length f = 0.1mm for raster A; and 18 thousands in 60 x 60mm , d = 0.3mm, s = 3.5um, N.A.= 0.3, f = 0.41mm for raster B.

Citation Download Citation

Zhu Songlai, Dong Xinyi, and Zhang Liqing "A Raster Plate Made Of Gradient Index Fibers", Proc. SPIE 1032, 18th Intl Congress on High Speed Photography and Photonics, (7 June 1989); https://doi.org/10.1117/12.969226

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