EUV LIGHT SOURCE WITH A SEPARATION DEVICE

EUV LIGHT SOURCE WITH A SEPARATION DEVICE

A EUV light source includes a prepulse laser source for emitting a prepulse laser beam at a prepulse wavelength, a main pulse laser source for emitting a main pulse laser beam at a main pulse wavelength, a prepulse beam guiding device for feeding the prepulse laser beam into a radiation generating c...

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Hauptverfasser: Schlosser, Oliver, Piehler, Stefan
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ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Piehler, Stefan
description A EUV light source includes a prepulse laser source for emitting a prepulse laser beam at a prepulse wavelength, a main pulse laser source for emitting a main pulse laser beam at a main pulse wavelength, a prepulse beam guiding device for feeding the prepulse laser beam into a radiation generating chamber for irradiation of a target material with a prepulse, and a main pulse beam guiding device for feeding the main pulse laser beam into the radiation generating chamber for irradiation of the target material with a main pulse. The target material is configured to emit EUV radiation on account of the irradiation with the prepulse and the main pulse. The prepulse beam guiding device has a separation device configured to reflect disturbing radiation in a wavelength range that does not include the prepulse wavelength back into the radiation generating chamber or into at least one beam trap.
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subjects ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
X-RAY TECHNIQUE
title EUV LIGHT SOURCE WITH A SEPARATION DEVICE
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