Transmission-reflection integrated terahertz wave generating device and adjustment method
A transmission reflection and generation device technology, applied in the direction of solid-state lasers, etc., can solve cumbersome problems and achieve the effects of fast conversion, simple composition, and easy operation
Active Publication Date: 2015-11-18
UNIV OF SHANGHAI FOR SCI & TECH
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Problems solved by technology
[0007] The present invention is aimed at the problem that the current terahertz wave generation technology only has one of the transmission type or the reflection type, and it is very cumbersome to switch between the two types, and proposes a transmission-reflection integrated terahertz wave generation device And the adjustment method, using a reversible metal high reflective mirror, a reversible target mounting frame with a rotating base and three off-axis parabolic mirrors, by adjusting the rotating base and the flipping of the target mounting frame and the metal high reflective mirror, so as to achieve Fast and convenient switching between transmission and reflection terahertz wave generation experimental devices
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[0018] Such as figure 1 The structure diagram of the reflective integrated terahertz wave generating device is shown, which consists of a laser light source 1, a lens 2, a reversible target mounting frame 3, a first high-resistance silicon 4, a first off-axis parabolic mirror 5, and a metal high-reflection mirror 6. A second off-axis parabolic mirror 7, a terahertz detection system 8, a second high-resistance silicon 9, a third off-axis parabolic mirror 10, a rotating base 11 and a one-dimensional motor 12. Among them, the first high-resistance silicon 4 and the first off-axis parabolic mirror 5 at the front and rear positions are located on the transmitted light path of the target, and the second high-resistivity silicon 9 and the third off-axis parabolic mirror 10 at the front and rear positions are located on the reflected light path of the target. On the road, the lens 2, the first off-axis parabolic mirror 5, and the third off-axis parabolic mirror 10 are all confocal, an...
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The invention relates to a transmission-reflection type integrated Terahertz wave generating device and an adjustment method. The transmission-reflection type integrated Terahertz wave generating device comprises a laser light source, a lens, an overturn target material installation support, two slices of high-resistance silicon, three off-axis parabolic dish mirrors, a metal high-reflection mirror, a Terahertz detection system, a rotary base and a one-dimensional motor. Through adjustment of the rotary base and turning of the metal high-reflection mirror and the target material installation support, switching between a transmission type Terahertz wave generating test device and a reflection type Terahertz wave generating test device can be rapidly and conveniently achieved. According to the actual test situation, the angle of the target material installation support and the turning of the metal high-reflection mirror and the target material installation support are adjusted, and the rapid switching between the transmission type Terahertz wave generating test device and the reflection type Terahertz wave generating test device is achieved. In addition, through movement of the one-dimensional motor and rotation of the base, adjustment of distance between the lens and target material and adjustment of a relative incident light angle of the target material can be achieved. The transmission-reflection type integrated Terahertz wave generating device is suitable for Terahertz wave generating methods of different theories.
Description
technical field [0001] The invention relates to an electromagnetic wave generation technology, in particular to a transmission-reflection integrated terahertz wave generation device and an adjustment method. Background technique [0002] Terahertz waves are electromagnetic waves with a frequency in the range of 0.1 to 10 THz, which lie between microwaves and infrared radiation in the electromagnetic spectrum. In the field of electronics, terahertz waves are called millimeter waves or submillimeter waves; in the field of optics, they are also called far-infrared rays. The special electromagnetic spectrum position of terahertz wave endows it with a variety of unique characteristics. Therefore, terahertz wave is widely used in physics, chemistry, electronic information, life science, material science, astronomy, atmospheric and environmental monitoring, communication radar, national security and anti-terrorism, etc. This important field has unique advantages and huge applicati...
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IPC IPC(8): H01S1/02
Inventor 彭滟周云燕朱亦鸣方丹陈向前洪淼蔡斌庄松林
Owner UNIV OF SHANGHAI FOR SCI & TECH