| 摘要 |
<p>A metal vapor laser apparatus of this invention includes at least two high reflecting mirrors (20, 22) arranged near both side end portions (7, 9) of a discharge tube (2), heating units (23, 36) for heating the high reflecting mirrors (20, 22), and transmission windows (24, 26) formed to transmit a laser beam reflected by the high reflecting mirrors (20, 22).</p> |
