The authors report on a small, all solid state, regenerative ring amplifier designed as a prototype for space application. Features include dual side pumping of a 2 mm x 2 mm x 10 mm Nd:YAG slab and a triangular ring cavity design, which minimizes the number of optical components. The pump head was fitted with twin single-bar diode arrays consisting of 960 individual stripes, temperature tuned to the Nd:YAG pump bands at 809 nm and capable of operation up to 100 Hz. The single-pass gain of this head was measured at 13 % for a pump pulse energy of 18.4 mJ from the diode arrays and the cavity round trip transit time was 3.1 ns. The ring has amplified 170 ps pulses with 10-13-10-14 J of energy by a factor of more than about 106 while preserving both the temporal and spatial shape of the pulses. The seeding threshold was about 10-15 J and a maximum saturated output energy of about 40 microJ was obtained when seeded with pulses greater than 1 pJ. Comparison with modelled performance is also given.


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    Titel :

    Injection-seeded diode-pumped regenerative ring Nd:YAG amplifier for spaceborne laser ranging


    Weitere Titelangaben:

    Injektionsinduzierter diodengepumpter regenerativer Nd:YAG-Ringverstärker für Raumfahrtanwendung


    Beteiligte:
    Coyle, D.B. (Autor:in) / Kay, R.B. (Autor:in) / Degnan, J.J. (Autor:in) / Krebs, D.J. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1994


    Format / Umfang :

    8 Seiten, 12 Bilder, 10 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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