𝔖 Bobbio Scriptorium
✦   LIBER   ✦

1.6 μ m microchip laser

✍ Scribed by J. Šulc; H. Jelínková; W. Ryba-Romanowski; T. Lukasiewicz

Book ID
102448857
Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
157 KB
Volume
6
Category
Article
ISSN
1612-2011

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✦ Synopsis

Properties of new pulsed-diode-pumped Er:YVO 4 and Er:YVO4+CaO microchip lasers working in an "eye-safe" spectral region were investigated. As a pumping source, a fiber coupled (core diameter-200 μm) laser diode emitting radiation at wavelength 976 nm was used. The laser diode was operating in pulsed regime with 3 ms pulse width, and 20 Hz repetition rate. The result obtained was 175 mW and 152 mW output peak power for the Er:YVO 4 and Er:YVO 4 +CaO lasers, respectively. The maximal efficiency with respect to the absorbed power was ∼ 5%. The laser emission for Er:YVO 4 microchip was observed in detail in the range 1593 nm to 1604 nm with respect to pumping. However, for Er:YVO4+CaO crystal only 1604 nm was generated.

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