An experiment on measuring the magnetic field in Ramsey interaction region of the atomic fountain clock by detecting the......

A new method for testing aspheric surfaces by annular subaperture stitching interferometry is introduced. It can test la......

The signal-to-noise ratio (SNR) of the optical heterodyne beat between a low-power laser and an optical frequency comb w......

We introduce a novel calibration optical path of the cryogenic radiometer, which can avoid the repeated dismounting meas......

We report a locking mode in which the local oscillator (LO) is locked to an atomic fountain and calibration of the resid......

The reliability of microsystem is an important issue and for their quality inspection, it is necessary to know the displ......

Gauge block measurement by using optical interferometry in Korea Research Institute of Standards and Science (KRISS) is ......

A new spectroscopic method is proposed for the characterization of optical zero-order retarders. It is demonstrated that......

We demonstrate a new fiber-based radio frequency (RF) dissemination scheme suitable for a star-shaped branching network.......

The authors regret that errors occurred in the previous paper (Chin. Opt. Lett. 4, 164. A phase-stepping interferometric......

We demonstrate a new synchronization method for the White Rabbit system. Signals are transmitted in a single mode fiber ......

SO2 monitoring in the flue gas of a coal burning boiler is important for environmental protection. The nonlinearity of p......

A non-scanning, non-interferometric, three-dimensional (3D) optical profilometer based on geometric optics, critical ang......

Technology used to automatically assess video quality plays a significant role in video processing areas. Because of the......

We propose a sub-aperture stitching algorithm based on a frequency domain that can be denoted as a power spectral densit......

A high-performance transportable fountain clock is attractive for use in laboratories with high-precision time-frequency......

This study shows that the principle of a recently proposed common-path laser interferometer containing a planar grating ......

An absolute cryogenic radiometer (ACR) with a detachable optical window was designed and built for high accuracy optical......

The integrated manufacturing technology is introduced to improve the imaging quality of an off-axis -three-mirror anasti......

A self-comparison method with closely interleaved switching states is analyzed and used to evaluate some type-B uncertai......

The spectral properties of entangled photon pairs generated via quasi-phased matching in spontaneous parametric down-con......

A phase-stepping interferometric photoelasticity method is proposed to determine whole-filed sum of principal stresses. ......

We present a method that accurately measures large optical surfaces before polishing using a laser tracker. Using the sc......

A novel angle-resolved scatterometer based on pupil optimization for feature profile measurement in a photolithography p......

Applying laser-speckle techniques in material sciences as well as in methods to characterize surface conditions of speci......

A method based on slope stitching for measurement of a large off-axis parabolic trough collector is proposed and applied......

We present a simple but effective method for small-angle measurement based on optical feedback interferometry (or laser ......

The numerical moire method with sensitivity as high as 0.03 nm has been presented. A quantitative displacement and strai......

It is rare for a conventional direct detection method to measure the transmittance uniformity of mirrors with rigorous s......