Self-adaptive, narrowband tuning of a pulsed optical parametric oscillator and a continuous-wave diode laser via phase-conjugate photorefractive cavity reflectors: verification by high-resolution spectroscopy

He, Yabai; Orr, Brian J.

doi:10.1007/s00340-009-3582-0

Cited by 2 publications

(1 citation statement)

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“…Inspired by recent developments in high performance injection-seeded nanosecond OPOs 1,2,16,[22][23][24][25][26][27][28][29][30] combined with remarkable improvements in the tunability and long-term stability of diode lasers, our approach uses a mid-IR OPO, where FT-limited pulses can be readily obtained by injection seeding with a low power SLM diode laser. Subsequently, frequency upconversion is accomplished by mixing the mid-IR OPO output with the fourth harmonic of an injectionseeded Nd:yttrium aluminum garnet ͑YAG͒ laser, which is concurrently used to pump the OPO with the residual second harmonic.…”

Section: Introductionmentioning

confidence: 99%

Generation of tunable narrow bandwidth nanosecond pulses in the deep ultraviolet for efficient optical pumping and high resolution spectroscopy

Velarde

Engelhart

Matsiev

et al. 2010

Review of Scientific Instruments

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Generation of programmable near-Fourier-transform-limited pulses of narrow-band laser radiation from the near infrared to the vacuum ultraviolet Rev. Sci. Instrum. 76, 103103 (2005) Nanosecond optical pulses with high power and spectral brightness in the deep ultraviolet ͑UV͒ region have been produced by sum frequency mixing of nearly transform-limited-bandwidth IR light originating from a home-built injection-seeded ring cavity KTiOPO 4 optical parametric oscillator ͑OPO͒ and the fourth harmonic beam of an injection-seeded Nd:YAG laser used simultaneously to pump the OPO with the second harmonic. We demonstrate UV output, tunable from 204 to 207 nm, which exhibits pulse energies up to 5 mJ with a bandwidth better than 0.01 cm −1 . We describe how the approach shown in this paper can be extended to wavelengths shorter than 185 nm. The injection-seeded OPO provides high conversion efficiency ͑Ͼ40% overall energy conversion͒ and superior beam quality required for highly efficient downstream mixing where sum frequencies are generated in the UV. The frequency stability of the system is excellent, making it highly suitable for optical pumping. We demonstrate high resolution spectroscopy as well as optical pumping using laser-induced fluorescence and stimulated emission pumping, respectively, in supersonic pulsed molecular beams of nitric oxide.

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Section: Introductionmentioning

confidence: 99%

Generation of tunable narrow bandwidth nanosecond pulses in the deep ultraviolet for efficient optical pumping and high resolution spectroscopy

Velarde

Engelhart

Matsiev

et al. 2010

Review of Scientific Instruments

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Optical phase conjugation of picosecond pulses at 106 μm in Sn_2P_2S_6:Te for wavefront correction in high-power Nd-doped amplifier systems

et al. 2009

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We report, for the first time to our knowledge, on picosecondpulse optical phase conjugation using photorefractive Sn(2)P(2)S(6) crystals. For 7.2-ps pulses at 1.06 mum, we have achieved phase-conjugate reflectivities of up to 45% with very fast build-up times, about 15 ms at an intensity of 23 W/cm(2) using Te-doped Sn(2)P(2)S(6). We furthermore demonstrate aberration-free 5 W optical output of 8-ps pulses at 1.06 mum from a side pumped Nd:YVO(4) amplifier using the Sn(2)P(2)S(6)-based phase-conjugate feedback.

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Self-adaptive, narrowband tuning of a pulsed optical parametric oscillator and a continuous-wave diode laser via phase-conjugate photorefractive cavity reflectors: verification by high-resolution spectroscopy

Cited by 2 publications

References 100 publications

Generation of tunable narrow bandwidth nanosecond pulses in the deep ultraviolet for efficient optical pumping and high resolution spectroscopy

Generation of tunable narrow bandwidth nanosecond pulses in the deep ultraviolet for efficient optical pumping and high resolution spectroscopy

Optical phase conjugation of picosecond pulses at 106 μm in Sn_2P_2S_6:Te for wavefront correction in high-power Nd-doped amplifier systems

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