Near-diffraction-limited laser beam shaping with diamond-turned aspheric optics.

Near-diffraction-limited laser beam shaping with diamond-turned aspheric optics. Research Abstract Details 

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Near-diffraction-limited laser beam shaping with diamond-turned aspheric optics. Abstract Text:

J J Kasinski,R L Burnham,

We used a pair of diamond-turned CaF(2) aspheres to convert the pure TEM(00) Gaussian spatial profile output of a diode-pumped Nd:YAG laser oscillator into a super-Gaussian intensity profile with a nearly flat phase front. The resulting super-Gaussian beam was nearly diffraction limited with an M(2) of 1.75; in the near field the 5-mm diameter beam retained a nominally flat-top intensity distribution without significant diffraction peaks for an excellent working distance of more than 50cm. A 10% improvement in amplifier-energy extraction obtained by use of the reshaped beam is demonstrated.

Near-diffraction-limited laser beam shaping with diamond-turned aspheric optics. Publishing Authors By Initials

JJ Kasinski,RL Burnham,

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Near-diffraction-limited laser beam shaping with diamond-turned aspheric optics. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Optics letters

VOLUME: 22

Page Numbers: 1062-4

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ISSN: 0146-9592

DAY: 15

MONTH: Jul

YEAR: 1997

Near-diffraction-limited laser beam shaping with diamond-turned aspheric optics. Information

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LANGUAGE: eng

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Country: United States

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MEDLINETA: Opt Lett

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