The assumption of constant relative humidity is important, because water vapor in the atmosphere is another efficient absorber of radiation at infrared wavelength.
相对湿度恒定的假设是重要的，因为大气中的水蒸气是红外波长辐射的另一种有效吸收剂。
Introduce MAXIM's fiber optic device and surround analog device be use to optical module. There are several ways to keep laser temperature constant to avoid wavelength shift.
介绍MAXIM的光器件和用于光模块的周边模拟器件，以及保证激光二极管温度恒定以防止波长偏移的几种方法。
Constant current driving and constant temperature controlling techniques are adopted on DFBLD to make the central wavelength of it accurately point at detected gas absorption.
本文通过对DFBLD光源采取恒流驱动和恒温控制技术，使DFBLD光源的中心波长精确对准被测气体吸收峰。
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