As high-precision measuring instruments have developed, interferometers have been widely
applied in the measurement of lengths and of the shape of surfaces, with nanometer …

Absolute distance measurement is a fundamental technique in mobile and large-scale
dimensional metrology. Dual-comb ranging is emerging as a powerful tool that exploits …

Laser frequency combs emit a spectrum with hundreds of thousands of evenly spaced
phase-coherent narrow lines. A comb-enabled instrument, the dual-comb interferometer …

Laser interferometry serves a fundamental role in science and technology, assisting
precision metrology and dimensional length measurement. During the past decade, laser …

A dual-comb nonlinear asynchronous optical sampling method is proposed to simplify
determination of the time interval and extend the non-ambiguity range in absolute length …

Non-contact surface map** at a distance is interesting in diverse applications including
industrial metrology, manufacturing, forensics, and artifact documentation and preservation …

We present a progress review on the advance of distance measurements made at KAIST by
making use of mode-locked lasers as the light source to meet ever-growing industrial …

Absolute distances were measured using two femtosecond lasers of different pulse
repetition rates by revisiting the dual-comb interferometric method proposed by Coddington …

Optical frequency combs have developed into powerful tools for distance metrology. In this
paper we demonstrate absolute long distance measurement using a single femtosecond …

We demonstrate a comb-calibrated frequency-modulated continuous-wave laser detection
and ranging (FMCW ladar) system for absolute distance measurements. The FMCW ladar …