This tutorial presents a guided tour of laser feedback interferometry, from its origin and early
development through its implementation to a slew of sensing applications, including …

The progress on laser feedback interferometry technology is reviewed. Laser feedback
interferometry is a demonstration of interferometry technology applying a laser reflected from …

摘要“没有测量就没有科学”, 对物理量越来越精确的测量已成为现代科学和技术领域孜孜追求的
目标. 激光干涉精密测量具有可溯源, 纳米甚至皮米高分辨率, 以及数米, 几千米甚至上千千米的 …

Sound-field imaging, the visualization of spatial and temporal distribution of acoustical
properties such as sound pressure, is useful for understanding acoustical phenomena. This …

In this Letter, simultaneous imaging of flow and sound by using parallel phase-shifting
interferometry and a high-speed polarization camera is proposed. The proposed method …

We report a novel and simple method to generate a pair of self-mixing signals with
quadrature phase difference in He-Ne laser by introducing a wedge into the external cavity …

The use of ultrasonic elastic waves is a well established technique for non-destructive
testing of materials and structures, in particular to exploit the interaction of waves with …

External optical feedback (EOF) has great impacts on the properties of lasers. It influences
the stable operation of lasers. However, various applications based on lasers with EOF have …

Optical feedback interferometry (OFI) sensors are experiencing a consistent increase in their
applications to biosensing due to their contactless nature, low cost and compactness …

We propose an optical voice encryption scheme based on digital holography (DH). An off-
axis DH is employed to acquire voice information by obtaining phase retardation occurring …