Aperture filling of a phase-locked laser array by phase correction with self-imaging

Journal Article · Fri Sep 01 00:00:00 EDT 1989 · Chinese Physics; (USA)

OSTI ID:5034866

Liu, Liren; Zhao, Yiyang ^[1]

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1. Shanghai Institute of Optics and Fine Mechanics (China)

A phase-locked laser array generates a far-field diffraction speckle pattern consisting of many side lobes. The concept of Talbot diffraction self-imaging is proposed, to transfer the array into an equal amplitude phase distribution. Phase correction is used to shift the side lobe energy to the main bright lobe, thereby producing aperture filling. 10 refs.

• OSTI ID: 5034866
• Journal Information: Chinese Physics; (USA), Vol. 9; ISSN 0273-429X
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
LASERS
DESIGN
APERTURES
CARBON DIOXIDE LASERS
FOURIER TRANSFORMATION
LASER RADIATION
PHASE SHIFT
SEMICONDUCTOR LASERS
ELECTROMAGNETIC RADIATION
GAS LASERS
INTEGRAL TRANSFORMATIONS
OPENINGS
RADIATIONS
SEMICONDUCTOR DEVICES
SOLID STATE LASERS
TRANSFORMATIONS
426002* - Engineering- Lasers & Masers- (1990-)