Optical: systems and elements – Optical frequency converter – Harmonic generator
Patent
1993-09-15
1995-09-05
Lerner, Martin
Optical: systems and elements
Optical frequency converter
Harmonic generator
359576, 359590, G02B 518, G02B 528, G02F 135, H01S 310
Patent
active
054483980
ABSTRACT:
A diffraction grating unit includes a reflection type diffraction grating; a transparent medium; and a filter which is formed on the diffraction grating through the transparent medium so as to be disposed on an incident surface of the diffraction grating unit; wherein the filter transmits therethrough a ray having a specific wavelength but reflects a further ray having a wavelength equal to a half of the specific wavelength of the ray, and a second-harmonic generator employing the diffraction grating unit.
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Asakura Hiroyuki
Iida Masanori
Lerner Martin
Matsushita Electric - Industrial Co., Ltd.
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