Twist of coherent fields and beam quality

B. Eppich; A. T. Friberg; C. Gao; H. Weber

doi:10.1117/12.259905

Twist of coherent fields and beam quality

B. Eppich, A. T. Friberg, C. Gao, H. Weber

School of Optics and Photonics

Research output: Contribution to journal › Conference article › peer-review

21 Citations (Scopus)

Abstract

An optical system is presented which transforms an arbitrary astigmatic beam into one of circular symmetry with twist. This holds for coherent and partially coherent fields. Experiments were performed with Gauss-Hermitian modes TEM_no, transforming them into ring-like structures of Gauss-Laguerre type modes. The theoretical results concerning intensity structure and beam propagation factor were confirmed.

Original language	English
Pages (from-to)	260-267
Number of pages	8
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	2870
DOIs	https://doi.org/10.1117/12.259905
Publication status	Published - 20 Nov 1996
Event	3rd International Workshop on Laser Beam and Optics Characterization 1996 - Quebec City, Canada Duration: 8 Jul 1996 → 10 Jul 1996

Keywords

Astigmatic beams
Beam quality
Beam transformation
Symmetrizing of laser beams
Twist

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10.1117/12.259905

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Eppich, B., Friberg, A. T., Gao, C., & Weber, H. (1996). Twist of coherent fields and beam quality. Proceedings of SPIE - The International Society for Optical Engineering, 2870, 260-267. https://doi.org/10.1117/12.259905

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AU - Eppich, B.

AU - Friberg, A. T.

AU - Gao, C.

AU - Weber, H.

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N2 - An optical system is presented which transforms an arbitrary astigmatic beam into one of circular symmetry with twist. This holds for coherent and partially coherent fields. Experiments were performed with Gauss-Hermitian modes TEMno, transforming them into ring-like structures of Gauss-Laguerre type modes. The theoretical results concerning intensity structure and beam propagation factor were confirmed.

AB - An optical system is presented which transforms an arbitrary astigmatic beam into one of circular symmetry with twist. This holds for coherent and partially coherent fields. Experiments were performed with Gauss-Hermitian modes TEMno, transforming them into ring-like structures of Gauss-Laguerre type modes. The theoretical results concerning intensity structure and beam propagation factor were confirmed.

KW - Astigmatic beams

KW - Beam quality

KW - Beam transformation

KW - Symmetrizing of laser beams

KW - Twist

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DO - 10.1117/12.259905

M3 - Conference article

AN - SCOPUS:0012143278

SN - 0277-786X

VL - 2870

SP - 260

EP - 267

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - 3rd International Workshop on Laser Beam and Optics Characterization 1996

Y2 - 8 July 1996 through 10 July 1996

ER -

Twist of coherent fields and beam quality

Abstract

Keywords

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