IEEE

Ultracompact Optical Comparator for 4-bit QPSK-Modulated Signal Based on Silicon Photonic Waveguide

Impact Statement: This paper has given a feasibility demonstration of the optical comparator based on Si waveguide for 4-bit QPSK-modulated signal. In this paper, the author proposed a novel ...
American Machinist

[IMTS Preview] Methods Machine Tools Introduces Digital Optical Comparator

VisionGauge Digital Optical Comparators by Methods Machine Tools offer the ability to digitally compare a part to its CAD data. This data can also be archived and documented electronically.
aerospacemanufacturinganddesign.com

Starrett Bench Top Optical Comparator

Starrett Kinemetric Engineering Inc., a subsidiary of the L.S. Starrett Co., announces its new HB400-M2-CNC Bench Top Optical Comparator - a motorized version of the HB400 optical comparator ...
IEEE

A Low-Loss and Dual-Polarized Wideband Quasi-Optical Comparator at Terahertz Frequencies

Abstract: This letter presents a low-loss, dual-polarized, easy-manufacturing, and wideband one-dimension al (1-D) quasi-optical comparator at terahertz (THz) frequencies. A novel comparator structure ...
Europe PMC

Design and numerical analysis of high contrast ratio and ultra-compact all-optical 2-bit reversible comparator.

In this paper, a novel interference-based nanostructure was designed and simulated to realize an all-optical 2-bit reversible comparator by employing a novel technique. The plane wave expansion (PWE) ...