Current-mode photoelectric converter, device and method
A photoelectric converter, frequency current conversion technology, applied in the field of photonics, to achieve high precision, avoid the influence of dark current, and respond quickly
Active Publication Date: 2021-07-09
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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[0006] Aiming at the above-mentioned deficiencies in the prior art, a current-type photoelectric converter, device and method provided by the present invention solve the problem that existing photoelectric conversion devices There is a problem of dark current when the signal is converted into a current signal or a voltage signal
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[0041]The specific embodiments of the present invention are described below so that those skilled in the art can understand the present invention, but it should be clear that the present invention is not limited to the scope of the specific embodiments. For those of ordinary skill in the art, as long as various changes Within the spirit and scope of the present invention defined and determined by the appended claims, these changes are obvious, and all inventions and creations using the concept of the present invention are included in the protection list.
[0042] Such as figure 1 As shown, a current-type photoelectric converter includes: a square base 1, a light-transmitting sheet 2, an optical-frequency conversion unit, a frequency-current conversion unit 4, and a metal cover;
[0043] The optical frequency conversion unit is communicatively connected with the frequency current conversion unit; the optical frequency conversion unit and the frequency current conversion unit 4 ...
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The invention discloses a current type photoelectric converter, device and method, and the photoelectric converter comprises a square pedestal, a light transmitting sheet, an optical frequency conversion unit, a frequency current conversion unit, and a metal cover plate. The photoelectric conversion device comprises an optical frequency conversion unit, a frequency current conversion unit, a signal conditioning and collecting unit, a signal processing unit, a display unit and a direct current voltage stabilizing unit. The photoelectric conversion method comprises the following steps: measuring the output current of the frequency current conversion unit under light and dark conditions, and calculating the light signal intensity through the current. According to the invention, the problem that dark current exists when an existing photoelectric conversion device converts an optical signal into a current signal or a voltage signal can be solved.
Description
technical field [0001] The invention relates to photonics, in particular to a current-type photoelectric converter, device and method. Background technique [0002] A photoelectric converter is a detector made of the photoelectric effect of materials, which mainly uses the photoelectric effect to convert optical signals into electrical signals. Since the discovery of the photoelectric effect, photoelectric conversion devices have developed by leaps and bounds and have been widely used in various industries. [0003] Currently commonly used photoelectric effect conversion devices include photoresistors, photocells, photomultipliers, photodiodes, phototransistors, etc., and these photoelectric conversion devices are all based on semiconductor materials. The light detection capability depends on the intrinsic band structure properties of the material, such as the absorption coefficient, and on several characteristics of the semiconductor junction, such as doping profile, junct...
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IPC IPC(8): H03K19/0175
CPCH03K19/0175
Inventor 叶芃廖霜谭峰潘卉青王厚军张沁川徐林邱渡裕杨扩军
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA