Compensation of thermal lensing in an eye-safe cascade Raman laser with Ba(NO/sub 3/)/sub 2/ crystal

Takei, N.; Suzuki, Shunji; Kannari, F.

doi:10.1109/cleopr.1999.817811

Cited by 2 publications

(2 citation statements)

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“…This bulk absorption greatly increases the optical damage threshold of the eye. Three types of eye safe lasers are of the practical importance: lasers with erbium (Er) doped media directly operated at 1.54 µm wavelength 1-6 , Raman lasers pumped by pulsed neodymium (Nd) lasers operating at the strongest 1064 nm or 1340 nm lines [7][8][9][10] , and optical parametric oscillators (OPO) pumped by high peak power Nd lasers [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29] . The best approach, in our opinion, nowadays for pulsed eye safe laser is application of OPO pumped by high peak power Nd laser.…”

Section: Introductionmentioning

confidence: 99%

300-kW eye-safe intracavity OPO transmitter

Żendzian

Jabczyński

Kwiatkowski

et al. 2008

Laser Source Technology for Defense and Security IV

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We report on a passively Q-switched end pumped Nd:YLF laser including a noncritically phase-matched KTP singly resonant intracavity optical parametric oscillator (IOPO-KTP). For the Q-switching operation we have used Cr:YAG saturable absorber. The optimized passively Q-switched Nd:YLF laser without IOPO generated linearly polarized pulses of 11.5 ns and 1.07 mJ at 1047 nm. The conversion efficiency of the optimized Q-switched pulse energy at 1047 nm to 1547 nm of signal approached about 47%. For optimizing both Nd:YLF laser and IOPO we have numerically solved theoretical model. We have achieved 1.6-ns duration pulses at 1547 nm with energy of 0.5 mJ and peak power above of 300 kW. The beam quality was excellent (M 2 ≈1).

show abstract

Section: Introductionmentioning

confidence: 99%

300-kW eye-safe intracavity OPO transmitter

Żendzian

Jabczyński

Kwiatkowski

et al. 2008

Laser Source Technology for Defense and Security IV

View full text Add to dashboard Cite

show abstract

“…This bulk absorption greatly increases the optical damage threshold of the eye. Three types of eye−safe lasers are of the practical importance, i.e., lasers with er− bium (Er) doped media directly operating at 1.54 µm wave− length [1][2][3][4][5][6], Raman lasers pumped by pulsed neodymium (Nd) lasers operating at the strongest 1064 nm or 1340 nm lines [7][8][9][10], and optical parametric oscillators (OPO) pum− ped by high peak power Nd lasers [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29].…”

Section: Introductionmentioning

confidence: 99%

Intracavity optical parametric oscillator pumped by passively Q-switched Nd:YLF laser

Żendzian

Jabczyński

Kwiatkowski

2009

Opto-Electronics Review

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We report on a passively Q-switched end pumped Nd:YLF laser including a noncritically phase-matched KTP singly resonant intracavity optical parametric oscillator (IOPO-KTP). For the Q-switching operation we have used Cr:YAG saturable absorber. The optimized passively Q-switched Nd:YLF laser without IOPO generated linearly polarized pulses of 11.5 ns and 1.07 mJ at 1047 nm. The conversion efficiency of the optimized Q-switched pulse energy at 1047 nm to 1547 nm of a signal approached about 47%. For optimizing both Nd:YLF laser and IOPO we have numerically solved a theoretical model. We have achieved 1.6-ns duration pulses at 1547 nm with energy of 0.5 mJ and peak power of above 300 kW. The beam quality was excellent (M2 ≈1).

show abstract

Compensation of thermal lensing in an eye-safe cascade Raman laser with Ba(NO/sub 3/)/sub 2/ crystal

Cited by 2 publications

References 0 publications

300-kW eye-safe intracavity OPO transmitter

300-kW eye-safe intracavity OPO transmitter

Intracavity optical parametric oscillator pumped by passively Q-switched Nd:YLF laser

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