Fabrication of large aperture kinoform phase plates in fused silica for smoothing focal plane intensity profiles
Conference
·
OSTI ID:249253
We have fabricated large aperture (40-cm) kinoform phase plates for producing super-Gaussian focal plane intensity profiles. The continuous phase screen, designed using a new iterative procedure, was fabricated in fused silica as a 16-level, one-wave deep rewrapped phase profile using a lithographic process and wet etching in buffered hydrofluoric acid. The observed far-field contains 94% of the incident energy inside the desired spot.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 249253
- Report Number(s):
- UCRL-JC-124013; CONF-960465-5; ON: DE96012213; TRN: 96:016049
- Resource Relation:
- Conference: Optical Society of America topical meeting on diffractive optics and micro optics, Boston, MA (United States), 29 Apr - 1 May 1996; Other Information: PBD: 26 Apr 1996
- Country of Publication:
- United States
- Language:
- English
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