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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F14%3A00441551%21RIV15-AV0-68378271
rdf:type
n10:Vysledek skos:Concept
dcterms:description
We report on a temporal jitter-compensated Yb:YAG thin-disc laser as a pump source for the front-end OPCPA of ELIBeamlines high energy and repetition rate system. The main advantage of using picosecond Yb:YAG thin-disc lasers is that relatively high energies in the kHz repetition rate range can be easily accessed. Although in our case the pump laser is optically synchronized to the OPCPA seeding Ti:Sapph laser, the stability of the OPCPA output gets heavily affected by delay jitter due to a large number of roundtrips in the regenerative amplifier cavity and slight ambient temperature drifts. Since interacting pulses are only 1.5 ps in duration, an additional active stabilization of the pump path length corresponding to sub-100 fs delay precision must be implemented. In our work we demonstrate a novel design of a jitter stabilization system which employs a cross-correlation setup employing parametric amplification in two perpendicularly oriented nonlinear crystals. A small fraction of the OPCPA seed signal is being locked between cross-polarized and delayed replicas of a pump pulse. The feedback signal for the delay compensation is acquired by coupling the polarization-separated parts of the parametrically amplified signal into two channels of a balanced photodetector. The delay stabilization is achieved mainly by adjusting the cavity length of the regenerative amplifier with a piezo-mounted mirror. The proposed setup allows reducing the temporal jitter of Yb:YAG thin-disc regenerative amplifier to tens of fs RMS and maintaining it over extended periods of time. We report on a temporal jitter-compensated Yb:YAG thin-disc laser as a pump source for the front-end OPCPA of ELIBeamlines high energy and repetition rate system. The main advantage of using picosecond Yb:YAG thin-disc lasers is that relatively high energies in the kHz repetition rate range can be easily accessed. Although in our case the pump laser is optically synchronized to the OPCPA seeding Ti:Sapph laser, the stability of the OPCPA output gets heavily affected by delay jitter due to a large number of roundtrips in the regenerative amplifier cavity and slight ambient temperature drifts. Since interacting pulses are only 1.5 ps in duration, an additional active stabilization of the pump path length corresponding to sub-100 fs delay precision must be implemented. In our work we demonstrate a novel design of a jitter stabilization system which employs a cross-correlation setup employing parametric amplification in two perpendicularly oriented nonlinear crystals. A small fraction of the OPCPA seed signal is being locked between cross-polarized and delayed replicas of a pump pulse. The feedback signal for the delay compensation is acquired by coupling the polarization-separated parts of the parametrically amplified signal into two channels of a balanced photodetector. The delay stabilization is achieved mainly by adjusting the cavity length of the regenerative amplifier with a piezo-mounted mirror. The proposed setup allows reducing the temporal jitter of Yb:YAG thin-disc regenerative amplifier to tens of fs RMS and maintaining it over extended periods of time.
dcterms:title
Jitter-compensated Yb:YAG thin-disc laser as a pump for the broadband OPCPA front-end of the ELI-Beamlines system Jitter-compensated Yb:YAG thin-disc laser as a pump for the broadband OPCPA front-end of the ELI-Beamlines system
skos:prefLabel
Jitter-compensated Yb:YAG thin-disc laser as a pump for the broadband OPCPA front-end of the ELI-Beamlines system Jitter-compensated Yb:YAG thin-disc laser as a pump for the broadband OPCPA front-end of the ELI-Beamlines system
skos:notation
RIV/68378271:_____/14:00441551!RIV15-AV0-68378271
n3:aktivita
n13:I n13:P
n3:aktivity
I, P(ED1.1.00/02.0061)
n3:dodaniDat
n4:2015
n3:domaciTvurceVysledku
Zervos, Charalampos n11:6804098 n11:6640559 n11:7236832 n11:8658692 Naylon, Jack A. Green, Jonathan T. Antipenkov, Roman
n3:druhVysledku
n8:D
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
23526
n3:idVysledku
RIV/68378271:_____/14:00441551
n3:jazykVysledku
n7:eng
n3:klicovaSlova
thin-disc laser; timing jitter; OPCPA
n3:klicoveSlovo
n14:OPCPA n14:timing%20jitter n14:thin-disc%20laser
n3:kontrolniKodProRIV
[9ABA8B2680A7]
n3:mistoKonaniAkce
San Francisco
n3:mistoVydani
Bellingham
n3:nazevZdroje
Solid State Lasers XXIII - Technology and Devices
n3:obor
n15:BH
n3:pocetDomacichTvurcuVysledku
8
n3:pocetTvurcuVysledku
8
n3:projekt
n18:ED1.1.00%2F02.0061
n3:rokUplatneniVysledku
n4:2014
n3:tvurceVysledku
Rus, Bedřich Green, Jonathan T. Naylon, Jack A. Zervos, Charalampos Antipenkov, Roman Bakule, Pavel Novák, Jakub Batysta, František
n3:typAkce
n19:WRD
n3:wos
000335902300034
n3:zahajeniAkce
2014-02-02+01:00
s:issn
0277-786X
s:numberOfPages
7
n21:doi
10.1117/12.2039751
n12:hasPublisher
SPIE
n17:isbn
978-0-8194-9872-4