| 摘要 |
<p>A light source controller having a look-up table (36) that indicates the amount of current to be provided to a light source (14) to maintain wavelength and spectrum stability at various temperatures. Further, the light source (14) may have a heater/cooler (44) to maintain a constant temperature of the light source (14). The controller provides the appropriate current to the light source from the time of turn-on until it achieves thermal equilibrium, to provide an output having a relatively constant wavelength during the warm-up period and during changes of ambient temperature about the light source. The light source (14) may have a heater and/or cooler to maintain a constant ambient temperatures, so that the light source controller can provide a more refined control of the light source output wavelength and spectrum. The light source controller may be particularly used for a light source in a fiber optic gyroscope.</p> |
