| 摘要 |
<p>The beam (6) and the receiver (7) are arranged on a temperature-stabilizing carrier (5) immediately next to each other and on the mirror (9) directly opposite sides (3) of the measuring cell (2). The apparatus has an light transmitting beam, a measuring cell, at least one spherical mirror which is contacted on one of the sides of the measuring cell, a light receiving receiver and a evaluating device.</p> |
