Aim To develop a laser diode modulated driver power for synthesis heterodyne interference.
目的为半导体激光器合成外差干涉研制一调制驱动电源。
Puts forward a simple method to demarcate the input output characteristic and resolution of the measurement system of heterodyne interference.
结合某一外差干涉测量系统，提出了一个对测量系统的分辨力、输入输出特性进行标定的简单易行的方法。
A heterodyne interference is caused by a frequency modulation of a laser diode (LD) with a ramp injection current, and a linear phase detection is realized.
传感器利用注入结电流直接调频的半导体激光(LD)产生外差干涉，从而实现了干涉相位的线性检测。
With the improvement of measurement velocity in laser heterodyne interference, the theoretical error of laser heterodyne interference seriously restricted the accuracy of measurement.
随着激光外差干涉测量速度的提高，其存在的原理性误差严重影响测量精度。
In the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.
本文详细推导了用振幅调制激光为光源外差激光探针的信号光与参考光干涉光强表达式。
Optical heterodyne interferometry together with reflective ellipsometry, a fast measurement technology with high anti-interference performance was applied to nanometer film.
结合激光外差干涉术和反射式椭偏测量技术，设计了一种抗干扰能力强，快速、高精度测量纳米厚度薄膜光学参数的方法。
The influences of atmospheric turbulence on interference efficiency due to the angle of arrival fluctuation in the laser heterodyne detection system were presented.
提出了一套新颖扫描成像系统方案，它综合了共焦扫描方式与光外差探测方法的优点。
The influences of atmospheric turbulence on interference efficiency due to the angle of arrival fluctuation in the laser heterodyne detection system were presented.
提出了一套新颖扫描成像系统方案，它综合了共焦扫描方式与光外差探测方法的优点。
应用推荐