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  • 1
    Electronic Resource
    Electronic Resource
    FM dye lasers (1986)
    Springer
    Applied physics 39 (1986), S. 171-178 
    Details
    ISSN: 1432-0649
    Keywords: 06 ; 42.60
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have investigated the detailed operation of a frequency modulated dye laser (FML). The FML consists of a standing wave Rh6G dye laser with an intracavity transverse ADP phase modulator which is driven at a frequency close to the cavity mode spacing. An ideal FML output consists of a laser beam which is constant in amplitude but sinusoidally varying in frequency. This provides a source of many laser modes which are equally spaced by the modulation frequency. Several dye laser configurations have been investigated. Measurements of the mode intensities, total power, amplitude modulation and rf beat amplitudes have been made as a function of the rf driving frequency of the phase modulator. The FM laser obtained has been frequency stabilised by locking it to a reference interferometer and also by frequency offset locking it to a single-frequency dye laser.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00697415
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synchronously pumped mode-locked dye laser pumped by a frequency-doubled mode-locked and Q-switched diode laser pumped Nd:YAG laser (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 525-527 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have developed a powerful and efficient mode-locked and Q-switched diode laser pumped Nd:YAG laser. Mode locking has been accomplished using intracavity frequency modulation (FM) to produce continuous-wave mode-locked pulses of 12 ps duration. Acousto-optic pre-lase Q switching has produced a train of pulses of about 25 ps average duration at a repetition rate of 360 MHz in an envelope of 75 ns duration. When pumped with a 500 mW diode laser array, the energy in the Q-switched envelope was 15 μJ giving a peak power in the largest pulse of 19 kW. The laser has been frequency doubled in a crystal of potassium titanyl phosphate (KTP) with an efficiency of 36%. The doubled radiation at 532 nm has been used to synchronously pump a mode-locked rhodamine 6G dye laser to produce a train of tunable pulses. The pulse duration of the dye laser was 3.2 ps and the peak power of the largest pulse in the train was 10 kW.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101867
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Subpicosecond pulse generation from an all solid-state laser (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 2164-2166 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We describe an all solid-state (holosteric) laser source which produces subpicosecond pulses at 1.4 μm. The system consists of a diode laser pumped Nd:YAG laser which is frequency modulated (FM) mode locked and Q switched at 1.32 μm. In continuous wave operation the laser produces pulses of 19 ps while simultaneous Q switching and mode locking result in 30 ps pulses being contained in a Q-switched envelope of energy 2.1 μJ. The output of the laser, when passed through a 1 km single-mode optical fiber, produces a spectrally broad Raman signal with its peak at 1.4 μm and the overall conversion efficiency at 12%. The pulse duration at 1.4 μm has been measured to be 280 fs. We believe this is the first time that subpicosecond light pulses have been generated by an all solid-state laser system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.102088
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  • 4
    Electronic Resource
    Electronic Resource
    Efficient frequency doubling of a mode-locked diode-laser-pumped Nd:YAG laser (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 55 (1989), S. 1158-1160 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We report on high-efficiency frequency doubling of a mode-locked diode-laser-pumped Nd:YAG laser to 532 nm in a crystal of MgO:LiNbO3 in an external enhancement ring cavity. At a pump power of 500 mW the mode-locked Nd:YAG laser produced an average power of 66 mW incident on the enhancement cavity in pulses of 12 ps duration at a repetition rate of 366 MHz. This has been frequency doubled with a conversion efficiency of 53% to produce pulses at 532 nm of 35 mW average power in bandwidth-limited pulses of 9.5 ps duration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.101683
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  • 5
    Electronic Resource
    Electronic Resource
    Mode locking and Q switching of a diode laser pumped neodymium-doped yttrium lithium fluoride laser (1989)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 54 (1989), S. 403-405 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have developed a mode-locked, diode pumped, neodymium-doped yttrium lithium fluoride (Nd:YLF) laser operating at 1.053 μm. The laser produces pulses of 18 ps duration at an average power level of 12 mW. When Q switched the duration of the pulse train was 140 ns, giving rise to peak powers of 15 kW.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.100976
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  • 6
    Electronic Resource
    Electronic Resource
    Mode-locked and Q-switched operation of a diode laser pumped Nd:YAG laser operating at 1.064 μm (1988)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 53 (1988), S. 1675-1677 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We describe the performance of a mode-locked and Q-switched Nd:YAG laser operating at 1.064 μm, optically pumped by a 500 mW diode laser. The cw mode-locked system provides bandwidth-limited pulses of 55 ps duration, with a corresponding peak power of 3.3 W. When Q-switched the energy within the 100 ns pulse envelope is 10 μJ giving a peak power in the largest pulse of 7 kW. Preliminary results for operation at 1.32 μm are also reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.99794
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  • 7
    Electronic Resource
    Electronic Resource
    Frequency doubled diode-pumped pulse compressed additive-pulse mode-locked Nd3+ doped lithium yttrium fluoride laser producing 250 fs duration pulses (1995)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 66 (1995), S. 2622-2624 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The frequency doubling and subsequent pulse compression of pulses from an additive-pulse mode-locked Nd:YLF laser have been reported. Pulses as short as 245 fs with an average power of 140 mW corresponding to a peak power of 4 kW at 523.5 nm are generated using a simple fiber-grating pulse compressor. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.113104
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  • 8
    Electronic Resource
    Electronic Resource
    Doubly resonant optical parametric oscillator synchronously pumped by a frequency-doubled, mode-locked, and Q-switched diode laser pumped neodymium yttrium lithium fluoride laser (1990)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 56 (1990), S. 1614-1616 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We report on the synchronous pumping of an optical parametric oscillator (OPO) using a frequency-doubled, mode-locked, and Q-switched diode laser pumped yttrium lithium fluoride laser. Using a 1 W pump diode, frequency modulation mode locking, and acousto-optic Q switching, a pulse envelope of 75 ns duration and 45 μJ of energy in 21 ps pulses at 360 MHz repetition rate was obtained. This was frequency doubled in 90° phase-matched MgO:LiNbO3 with 47% energy conversion efficiency. The doubly resonant OPO based upon temperature-tuned MgO:LiNbO3 had an energy conversion efficiency of 20% at degeneracy. The tuning range of 983–1119 nm was limited by the mirror reflectivities.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.103142
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  • 9
    Electronic Resource
    Electronic Resource
    Temperature-tuned noncritically phase-matched picosecond LiB3O5 optical parameter oscillator (1992)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 60 (1992), S. 1421-1423 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Efficient picosecond optical parametric oscillation in LiB3O5 is demonstrated using ∼55 ps pump pulses at 523.5 nm, obtained from a frequency-doubled, mode-locked, Q-switched, diode-laser-pumped Nd:YLF laser. By exploiting temperature tuning under noncritical type I phase matching, continuously tunable radiation over the range 0.909–1.235 μm has been generated at external power conversion efficiencies approaching 50%. The oscillator has a pump power threshold of 4.5 mW, corresponding to a Q-switched pulse energy of 9 μJ, and can provide a total average output power of 8 mW at 500 Hz, in pulses of ∼33 ps duration. At five times above threshold, the internal pump depletion of the oscillator was 54%.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.107309
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  • 10
    Electronic Resource
    Electronic Resource
    Optoacoustic detection: Revival of an old technique (1983)
    [s.l.] : Nature Publishing Group
    Nature 301 (1983), S. 286-286 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE optoacoustic or photoacoustic effect, an intriguing example of which is described1 on p.321 of this issue of Nature, is proving an important and sensitive technique for studying the interaction of light with matter. The effect was discovered over one hundred years ago by Alexander Graham Bell2 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/301286a0
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