Since a normal incidence plane wave is used as the reference wave, the difficulty and complexity of phase aberration and phase unwrapping of DHM are remarkably decreased.
使用垂直于像平面的平面光为参考光,降低了数字全息显微术中相位补偿和解包的难度和复杂性。
2
Model DHM-500 and Model DHM-750 digital height gages are high accuracy measuring instruments, which can be used to measure dimensions of workpieces absolutely and by comparison.