A Solar Laser Consisting of a Solar Cell and a Laser Diode

A Solar Laser Consisting of a Solar Cell and a Laser Diode

To prove the principle of a solar laser, a laser diode was directly operated by a current from a solar cell. Average laser power of 2.5 mW (5 mW standard) per a laser diode was obtained at a voltage of 2.2 V, however, the power was decreased by a cloud which shut out the sunlight. As the operation c...

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Veröffentlicht in:Rēzā kenkyū 1995/03/28, Vol.23(3), pp.244-248
Hauptverfasser: WADA, Kazuhiro, YOSHIOKA, Kouichi, TSUTSUMI, Noriaki, YAMANAKA, Masanobu
Format: Artikel
Sprache:eng
Schlagworte:
Direct operation
Laser diode
Solar cell
Solar laser
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Beschreibung
Zusammenfassung:To prove the principle of a solar laser, a laser diode was directly operated by a current from a solar cell. Average laser power of 2.5 mW (5 mW standard) per a laser diode was obtained at a voltage of 2.2 V, however, the power was decreased by a cloud which shut out the sunlight. As the operation current of the laser diode is limited to 70 mA, it is necessary for avoiding the damage of the laser diode to choose a proper laod resistance of the circuit. It was found that the value of resistance 2Ω was suitable for the present system.
ISSN:0387-0200
1349-6603
DOI:10.2184/lsj.23.244