| 摘要 |
<p>A solid state gain medium (32) is disposed between two mirrors (34, 36) to form a resonant cavity, the cavity length selected so that the gain bandwidth (12, 14) of the gain medium is less than the frequency separation of the cavity modes (16-24). By selecting this cavity length, only a single longitudinal mode will oscillate when the laser operates in a single transverse mode. The microlaser is optically pumped by any appropriate source such as a semiconductor injection laser or laser array. Suitable gain media are Nd:YAG and Nd pentaphosphate.</p> |
