2004
DOI: 10.1364/ol.29.000373
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Application of the nonlinear crystal SrB_4O_7 for ultrafast diagnostics converting to wavelengths as short as 125 nm

Abstract: We used non-phase-matched second-harmonic generation (SHG) in the highly nonlinear but low-birefringence crystal SrB4O7 for temporal characterization (autocorrelation) of femtosecond UV pulses to convert these pulses to wavelengths as low as 125 nm, close to the transparency limit of SrB4O7. The sensitivity of this method was approximately 1 microJ at the fundamental for a repetition rate of 1 kHz. We also used SHG at longer wavelengths to estimate the three nonlinear coefficients of SrB4O7.

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Cited by 76 publications
(53 citation statements)
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“…The most famous NLO borates in which the B-O groups are (BO 4 ) 5− groups are BPO 4 [47][48][49][50] and SrB 4 O 7 [51][52][53][54]. Both of them have very large energy bandgap (E g~9 .5 eV) or extremely short absorption edge (λ cutoff~1 30 nm).…”
Section: Borate Crystals In Which the B-o Groups Are (Bo 4 ) 5− Groupmentioning
confidence: 99%
“…The most famous NLO borates in which the B-O groups are (BO 4 ) 5− groups are BPO 4 [47][48][49][50] and SrB 4 O 7 [51][52][53][54]. Both of them have very large energy bandgap (E g~9 .5 eV) or extremely short absorption edge (λ cutoff~1 30 nm).…”
Section: Borate Crystals In Which the B-o Groups Are (Bo 4 ) 5− Groupmentioning
confidence: 99%
“…Crystals of borate family, such as 2 4 α-BaB O , 2 4 β-BaB O , 2 4 7 Li B O , 4 7 PbB O and 4 7 SrB O , are known as efficient materials for nonlinear optical applications (see [1][2][3][4][5][6]). A wide range of their optical transparency, particularly in the ultraviolet (UV) spectral region [7][8][9][10][11] (up to 125 nm for 4 7 SrB O [10, 11]), and a high level of optical damage threshold [11,12] make them one of the best materials for operation of short-wavelength high-power laser radiation.…”
Section: Introductionmentioning
confidence: 99%
“…Non-centrosymmetric representatives of this family are efficient nonlinear optical materials [2,5,[6][7][8][9][10][11] and also manifest high optical resistance [12]. They are widely used in parametric optical oscillators as functional elements [13,14].…”
Section: Introductionmentioning
confidence: 99%