Excavating
Patent
1991-06-05
1992-10-27
Scott, Jr., Leon
Excavating
372 21, 372 94, 372100, H01S 310
Patent
active
051596024
ABSTRACT:
A method of and an apparatus for providing an ultraviolet laser beam are defined. The system doubles the frequency of an infrared laser beam provided by a commercially available infrared laser, for instance a Nd-Yag laser mode-locked at 100 MHz, in a first non-linear crystal and accumulates the obtained green laser beam into a storage ring cavity to obtain high power in the visible range, and then doubles the frequency of the green laser beam in a second non-linear crystal to receive an ultraviolet laser beam at 2600 A. The power levels at the latter wavelength are much higher than those of commercially available continuous wave lasers.
REFERENCES:
patent: 3947688 (1976-03-01), Massey
Giordano Gianfranco
Matone Giovanni
Istituto Nazionale Di Fisica Nucleare
Jr. Leon Scott
Vigil Thomas R.
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