Terahertz laser based on a single high temperature heat source

Abstract

The invention discloses a terahertz laser device based on a single high-temperature heat source. The terahertz laser device comprises a resonance excitation device, a temperature difference control system, a wavelength and power control system, a power supply and a working parameter display system. According to the device, when the terahertz laser device works, a working substance enters a high-temperature cavity and is heated to a first preset temperature; the heated working substance enters a radiation cavity and is cooled to generate terahertz radiation; the terahertz radiation is cooperated through a resonance cavity to form terahertz laser; and the wavelength and power control system adjusts the temperature of the high-temperature heat source and the distance between a high reflectorand a partial reflector according to the temperature signal of the temperature difference control system to control the output frequency of the terahertz laser. The terahertz laser device provided bythe invention is small in size, high in energy conversion efficiency, low in manufacturing cost, large in tuning range, high in output power and simple to operate.

Description

technical field [0001] The invention relates to the technical field of lasers, in particular to a terahertz laser based on a single high-temperature heat source. Background technique [0002] Terahertz technology has a wide range of applications in communication, sensing, remote sensing, security, drug detection, medical treatment, radar, etc., and has received considerable attention in recent years. All terahertz technologies and applications are inseparable from terahertz sources. At present, there are terahertz sources based on frequency up-conversion in electronic technology, free electronic devices in vacuum technology, quantum cascade devices in semiconductor technology, and optical down-conversion technology, but all of them have problems of extremely low efficiency and high cost. Moreover, most terahertz sources are relatively large in size, so how to manufacture terahertz sources and terahertz lasers with high efficiency, low cost and small size has become an urgen...

AI Technical Summary

Problems solved by technology

At present, there are terahertz sources based on frequency up-conversion in electronic technology, free electronic devices in vacuum technology, quantum cascade devices in semiconductor technology, and optical down-conversion technology, but all of them have problems of extremely low efficiency and high cost.

Moreover, most terahertz sources are large in size, so how to manufacture terahertz sources and terahertz lasers with high efficiency, low cost and small size has become an urgent problem to be solved

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