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Titolo:
BINARY ADAPTIVE OPTICS - ATMOSPHERIC WAVE-FRONT CORRECTION WITH A HALF-WAVE PHASE-SHIFTER
Autore:
LOVE GD; ANDREWS N; BIRCH P; BUSCHER D; DOEL P; DUNLOP C; MAJOR J; MYERS R; PURVIS A; SHARPLES R; VICK A; ZADROZNY A; RESTAINO SR; GLINDEMANN A;
Indirizzi:
USAF,PHILLIPS LAB,LIMI KIRTLAND AFB NM 87117 UNIV DURHAM,ADAPT OPT GRP DURHAM DH1 3LE ENGLAND UNIV NEW MEXICO,DEPT PHYS & ASTRON ALBUQUERQUE NM 87131 MAX PLANCK INST ASTRON D-69117 HEIDELBERG GERMANY
Titolo Testata:
Applied optics
fascicolo: 27, volume: 34, anno: 1995,
pagine: 6058 - 6066
SICI:
0003-6935(1995)34:27<6058:BAO-AW>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
18
Recensione:
Indirizzi per estratti:
Citazione:
G.D. Love et al., "BINARY ADAPTIVE OPTICS - ATMOSPHERIC WAVE-FRONT CORRECTION WITH A HALF-WAVE PHASE-SHIFTER", Applied optics, 34(27), 1995, pp. 6058-6066

Abstract

We describe a binary approach to adaptive wave-front correction, especially suitable for narrow band applications, which would be simpler than conventional adaptive technology. Appropriate parts of the aberrant wave front are phase retarded by half a wavelength to ensure that none of the image-forming rays add together destructively. Simulations for monochromatic light show that the residual wave-front errors, in the absence of other errors, would result in Strehl ratios of similar to40% with diffraction-limited widths at visible wavelengths. We simulate the imaging performance of such a system and describe a possible implementation that uses a ferroelectric liquid-crystal spatial light modulator.

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Documento generato il 25/11/20 alle ore 07:16:47