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What is an electro-optic modulator optical frequency comb?Part Two
02 electro-optic modulator and electro-optic modulation optical frequency comb Electro-optical effect refers to the effect that the refractive index of a material changes when an electric field is applied. There are two main kinds of electro-optical effect, one is the primary electro-optical effe...Read More -
What is an electro-optic modulator optical frequency comb?Part One
An optical frequency comb is a spectrum composed of a series of evenly spaced frequency components on the spectrum, which can be generated by mode-locked lasers, resonators, or electro-optical modulators. Optical frequency combs generated by electro-optic modulators have the characteristics of hi...Read More -
Eo Modulator Series: cyclic fiber loops in laser technology
What is “cyclic fiber ring”? How much do you know about it? Definition: An optical fiber ring through which light can cycle many times A cyclic fiber ring is a fiber optic device in which light can cycle back and forth many times. It is mainly used in long distance optical fiber commu...Read More -
The Laser Communication Industry Is Developing Rapidly And Is About To Enter A Golden Period Of Development Part Two
Laser communication is a kind of communication mode using laser to transmit information. Laser frequency range is wide, tunable, good monochromism, high strength, good directivity, good coherence, small divergence Angle, energy concentration and many other advantages, so laser communication has t...Read More -
The laser communication industry is developing rapidly and is about to enter a golden period of development Part One
The laser communication industry is developing rapidly and is about to enter a golden period of development Laser communication is a kind of communication mode using laser to transmit information. Laser is a new type of light source, which has the characteristics of high brightness, strong direct...Read More -
Technical evolution of high power fiber lasers
Technical evolution of high power fiber lasers Optimization of fiber laser structure 1, space light pump structure Early fiber lasers mostly used optical pump output, laser output, its output power is low, in order to quickly improve the output power of fiber lasers in a short period of time ther...Read More -
Narrow Linewidth Laser Technology Part Two
Narrow Linewidth Laser Technology Part Two (3) Solid state laser In 1960, the world’s first ruby laser was a solid-state laser, characterized by a high output energy and a wider wavelength coverage. The unique spatial structure of solid-state laser makes it more flexible in the design of na...Read More -
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
