This article presents a 420-GHz phase imaging system designed in a 40-nm CMOS
technology. It consists of a transmitter (TX), based on a multiplier chain, and a receiver (RX) …

We report a multi-beam single-photon light detection and ranging (LiDAR) in eye-safe band
at 1.5 µm with hybrid multiplexing in wavelength and time. 16 independent laser diodes with …

In this paper, a non-contact method of thickness measurement for thin-walled rotary shell
parts based on chromatic confocal sensor is presented. To obtain thickness, a flip method is …

Micro-stereolithography (μ SL) is an advanced additive manufacturing technique that
enables the fabrication of highly precise microstructures with fine feature resolution. One of …

The thermal protection layer of the solid rocket motor (SRM) is an important elastic material
applied to the adhesive shell and propellant; the thickness of the layer is related to the …

The chromatic confocal technology (CCT) has ultra-high distance measurement resolution
and the characteristics of multi-surface tomography. Based on the principle of optical …

At present, the heat loss of energy-efficient buildings through transparent partitions, ie
curtain walls and windows, make more than 40% of the total heat loss. Since most of area of …

The central thickness of optical lenses is usually measured by contact method, such as the
coordinate measuring machine (CMM) or the height gauge. However, when the lens surface …

The present study theoretically demonstrates a high dynamic range optical interference
measurement approach based on phase change of the amplitude modulated (AM) wave …

摘要运动**行度是运动台的核心参数之一, 对运动台性能有直接影响. 提出一种基于光斑图像的
测量方法用于精确测量运动**行度. 在理论推导和分析的基础上, 搭建了一套精度优于50 nm …