Wide-waveband multi-range high-precision low-power consumption portable laser power meter

Abstract

The invention discloses a wide-waveband multi-range high-precision low-power consumption portable laser power meter and relates to a laser power meter in the technical field of laser measurement and communication. The laser power meter comprises a magnetic-shielding metal case 0 and a laser receiving probe 1, wherein an operation panel of the magnetic-shielding metal case 0 is provided with operation and display parts and a functional circuit is arranged in the magnetic-shielding metal case 0; and the laser receiving probe 1, a BNC input interface 2, a front amplifying circuit 5, a zeroing circuit 7, a wavelength set mode switching circuit 10 and a wavelength compensating circuit 12 are connected in sequence, the wavelength compensating circuit 12 is connected with a liquid crystal voltmeter 14 and an analogue communication BNC output interface 15 respectively, and thus, the laser power measurement is realized. The laser power meter has the advantages of wide wavelength application scope, large power measurement scope, high measurement precision, fast response, multiple power supply modes, lower power consumption, small size, light weight, communication and low cost.

Description

technical field [0001] The invention relates to a laser power meter in the field of laser measurement and communication technology, in particular to a portable laser power meter with wide band, multi-range, high precision and low power consumption; it can be widely used in physics, chemistry, optics, biology, machinery, etc. related fields. Background technique [0002] In 1960, American physicist Theodore Maiman and others developed the first ruby ​​laser. In 1961, Jawan and others made a helium-neon laser. In 1962, Hall and others invented a gallium arsenide semiconductor laser. In 1966, In 2010, scientists developed an organic dye laser whose wavelength can be continuously adjusted within a certain range; since then, the development of lasers has become faster and faster, with more and more types, and the coverage of wavelength bands has become wider and wider. Due to the outstanding characteristics of lasers, they were quickly used in various fields such as industry, ag...

AI Technical Summary

Problems solved by technology

[0012] The purpose of the present invention is to overcome the shortcomings and deficiencies of the prior art, and provide a portable laser power meter with wide band, multi-range, high precision and low power consumption, which solves the problem of single working wavelength, range and power supply mode of the existing laser power meter, and no adjustment. Zero mechanism and scalability issues, with better versatility, compatibility, reliability, and higher measurement accuracy

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