| タイトル | Magneto-optic detection system with noise cancellation |
| 本文（外部サイト） | http://hdl.handle.net/2060/19780021478 |
| 著者（英） | Lewicki, G. W.; Guisinger, J. E. |
| 著者所属（英） | Jet Propulsion Lab., California Inst. of Tech.|NASA Pasadena Office |
| 発行日 | 1973-11-27 |
| 言語 | eng |
| 内容記述 | In a magneto-optic readout system, a polarized beam of light from a laser is subjected to the magneto-optical effect of a magnetic record medium, and then passed through an analyzer which resolves the beam into two orthogonal vector components so oriented that the two components are of equal amplitude when the angle of rotation due to the magneto-optic effect is zero. Separate photodetectors produce two output signals which are proportional to the amplitudes of the vector components. The two output signals are combined in a differential amplifier through separate logarithmic transfer circuits to produce an output signal proportional to the ratio of the two original detector signals. |
| NASA分類 | INSTRUMENTATION AND PHOTOGRAPHY |
| レポートNO | 78N29421 |
| 権利 | No Copyright |
