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Narrow linewidth laser technology Part One
Today, we will introduce a “monochromatic” laser to the extreme – narrow linewidth laser. Its emergence fills the gaps in many application fields of laser, and in recent years has been widely used in gravitational wave detection, liDAR, distributed sensing, high-speed coherent o...Read More -
Laser source technology for optical fiber sensing Part Two
Laser source technology for optical fiber sensing Part Two 2.2 Single wavelength sweep laser source The realization of laser single wavelength sweep is essentially to control the physical properties of the device in the laser cavity (usually the center wavelength of the operating bandwidth), so a...Read More -
Laser source technology for optical fiber sensing Part One
Laser source technology for optical fiber sensing Part One Optical fiber sensing technology is a kind of sensing technology developed along with optical fiber technology and optical fiber communication technology, and it has become one of the most active branches of photoelectric technology. Opti...Read More -
The principle and present situation of avalanche photodetector (APD photodetector) Part Two
The principle and present situation of avalanche photodetector (APD photodetector) Part Two 2.2 APD chip structure Reasonable chip structure is the basic guarantee of high performance devices. The structural design of APD mainly considers RC time constant, hole capture at heterojunction, carrier ...Read More -
The principle and present situation of avalanche photodetector (APD photodetector) Part One
Abstract: The basic structure and working principle of avalanche photodetector (APD photodetector) are introduced, the evolution process of the device structure is analyzed, the current research status is summarized, and the future development of APD is prospectively studied. 1. Introduction A ph...Read More -
Overview of high power semiconductor laser development part two
Overview of high power semiconductor laser development part two Fiber laser. Fiber lasers provide a cost-effective way to convert the brightness of high power semiconductor lasers. Although wavelength multiplexing optics can convert relatively low-brightness semiconductor lasers into brighter one...Read More -
Overview of high power semiconductor laser development part one
Overview of high power semiconductor laser development part one As efficiency and power continue to improve, laser diodes(laser diodes driver) will continue to replace traditional technologies, thereby changing the way things are made and enabling the development of new things. Understanding of t...Read More -
Development and market status of tunable laser Part two
Development and market status of tunable laser(Part two) Working principle of tunable laser There are roughly three principles for achieving laser wavelength tuning. Most tunable lasers use working substances with wide fluorescent lines. The resonators that make up the laser have very low losses ...Read More -
Development and market status of tunable laser Part one
Development and market status of tunable laser(Part one) In contrast to many laser classes, tunable lasers offer the ability to tune the output wavelength according to the use of the application. In the past, tunable solid-state lasers generally operated efficiently at wavelengths of about 800 na...Read More -
Eo Modulator Series: Why is lithium niobate called optical silicon
Lithium niobate is also known as optical silicon. There is a saying that “lithium niobate is to optical communication what silicon is to semiconductors.” The importance of silicon in the electronics revolution, so what makes the industry so optimistic about lithium niobate materials? ...Read More -
What is micro-nano photonics?
Micro-nano photonics mainly studies the law of interaction between light and matter at micro and nano scale and its application in light generation, transmission, regulation, detection and sensing. Micro-nano photonics sub-wavelength devices can effectively improve the degree of photon integratio...Read More -
Recent research progress on single sideband modulator
Recent research progress on single sideband modulator Rofea Optoelectronics to lead the global single sideband modulator market. As the world’s leading manufacturer of electro-optic modulators, Rofea Optoelectronics’ SSB modulators are praised for their superior performance and applic...Read More
