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US 12,633,713 B2Granted
Device and method for amplifying a laser pulse
AssigneeUniversität Stuttgart
InventorsMarwan Abdou Ahmed, Florian Bienert
Life of this patent
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Abstract
The invention relates to a device (10) for amplifying a laser pulse which comprises a divider section (14) for dividing the laser pulse into multiple sub pulses (43) and for introducing a time delay between the sub pulses (43), a compressor section (15) for compressing the temporally divided sub pulses (43) and a combiner section (17) for combining the compressed sub pulses (44) to one compressed laser pulse (45).
Claims19
A device for amplifying a laser pulse, the device comprising:
- a divider section which divides the laser pulse into multiple sub pulses and which introduces a time delay between the sub pulses which become temporally divided sub pulses;
- the device further comprising only one compressor section which compresses the temporally divided sub pulses;
- and
- a combiner section which combines the compressed sub pulses to one compressed laser pulse;
- wherein the compressor section has only one compressor through which each sub pulse passes,
- wherein the divider section comprises at least one divider stage,
- each divider stage comprising two polarizing beam splitters and two differently long beam paths,
- wherein the beam splitters are configured as thin film polarizers letting pass a p-polarized part of the laser pulse and reflecting an s-polarized part of the laser pulse and thus creating two differently polarized sub pulses,
- wherein the combiner section comprises at least one combiner stage,
- each combiner stage comprising two polarizing beam splitters and two differently long beam paths,
- wherein each divider stage is configured to split laser pulses into sub pulses and to bring the sub pulses on a same path again so that the sub pulses are not separated in space, but only in time, for the compression.
8 more elements
A device for amplifying a laser pulse, the device comprising:
- a divider section which divides the laser pulse into multiple sub pulses and which introduces a time delay between the sub pulses which become temporally divided sub pulses;
- the device further comprising a compressor section which compresses the temporally divided sub pulses,
- the compressor section comprising a compressor and a Sagnac interferometer with a polarizing beam splitter, and wherein the compressor is disposed in the Sagnac interferometer such that each sub pulse following the polarizing beam splitter passes the compressor once;
- and
- a combiner section which combines the compressed sub pulses to one compressed laser pulse.
2 more elements
A method for amplifying a laser pulse, the method comprising:
- dividing the laser pulse into multiple sub pulses, including use of thin film polarizers letting pass p-polarized part of the laser pulse and reflecting s-polarized part of the laser pulse and thus creating two differently polarized sub pulses;
- introducing a time delay between the differently polarized sub pulses, including combining the sub pulses on a same path so that the sub pulses are not separated in space but only in time;
- compressing the sub pulses;
- and
- combining the compressed sub pulses to one compressed laser pulse.
2 more elements
Dependencies are inferred from the claim text.