| 摘要 |
An oscillation method and a device of fluorine molecular laser with narrow spectral line width are provided. For this purpose, the device includes main electrodes ( 14, 15 ) for performing main discharge ( 50 ) in substantially a same direction as an optical axis of laser light ( 11 ) to be oscillated to excite a laser gas containing fluorine, an insulator ( 12 ) which is held between the main electrodes and into which the laser gas containing fluorine is injected, and resonators ( 16, 18 ) which are placed with the insulator between them, and a space (M(lambda)) of a vertical mode expressed in wavelength is made larger than full width at half maximum (Deltalambda) of a gain curve (R) of the laser gas.
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