Substrate for photoconductive switch, and photoconductive switch having substrate
A technology of photoconductive switches and substrates, which is applied in the direction of electronic switches, semiconductor devices, electrical components, etc., can solve the problems of cost, light energy loss, and large-scale application of devices, and achieve the effect of reducing costs and improving utilization
Pending Publication Date: 2021-06-29
SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI
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Problems solved by technology
No matter it is incident from the front or the side, due to the nonlinear effect, the light will penetrate the substrate material, resulting in the loss of most of the light energy, which in turn costs a lot of money, making the device unable to be used on a large scale
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[0022] Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, the embodiments are provided to explain the principles of the invention and its practical application, thereby enabling others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to particular intended uses.
[0023] As used herein, the term "comprising" and its variants represent open terms meaning "including but not limited to". The terms "based on", "based on", etc. mean "based at least in part on", "based on at least in part". The terms "one embodiment" and "an embodiment" mean "at least one embodiment." The term "another embodiment" means "at least one other embodiment." The terms "first", "second", etc. may refer ...
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Abstract
The invention provides a substrate for a photoconductive switch. The substrate comprises a first surface for bearing the photoconductive switch, a second surface opposite to the first surface, and a side surface connecting the first surface and the second surface, wherein the second surface and / or the side surface are / is provided with a total reflection structure, and the total reflection structure is used for totally reflecting light entering the substrate from the first surface. A photoconductive switch having the substrate is further provided. According to the substrate, the total reflection structure is formed on the other surface, which does not bear the photoconductive switch, of the substrate, and the total reflection structure can totally reflect the light incident into the substrate from the surface bearing the photoconductive switch, so that the light is reflected back to the surface bearing the photoconductive switch and is reused by the photoconductive switch, and therefore, the utilization rate of light in the photoconductive switch can be improved, the cost is reduced, and large-scale application of the photoconductive switch applying the substrate is further facilitated.
Description
technical field [0001] The invention belongs to the technical field of semiconductor optoelectronic devices, and in particular relates to a substrate for a photoconductive switch and a photoconductive switch with the substrate. Background technique [0002] Photoconductive Semiconductor Switches (PCSS) have been widely used in medical devices, aerospace , communications and other fields. However, one of the biggest factors limiting its large-scale practical use is the huge cost of light energy required. This time, because the excitation light energy required by the photoconductive switch is at the megawatt level, it will cost tens of thousands of light energy for one excitation. energy cost. Under this huge cost of light energy, most of the light energy is wasted in vain because it is not fully utilized. Therefore, it is of great significance to improve the light utilization rate of photoconductive switches for their further development. [0003] At present, there are ma...
Claims
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Login to View More IPC IPC(8): H01L31/02H01L31/0232H03K17/78
CPCH01L31/02H01L31/02327H03K17/78
Inventor 卫新发张育民梁国松王建峰徐科
Owner SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI