Micro spectrometer
A technology of micro-spectrometer and spectroscopic device, which is applied in the field of optical measurement, can solve the problems of high production cost and complicated production process, and achieve the effects of low device cost, simple production process and portability
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[0047] In order to facilitate the public to understand the technical solution of the present invention more clearly, the preparation example of a spectroscopic device is given below. In this example, the nanoparticles in the nanoparticle coating adopt silicon dioxide (S i o 2 ), through hydrolysis and condensation of ethyl tetrasilicate to make a mixed suspension containing silica particles of different sizes from nanometers to micrometers, the specific method is as follows: add a certain amount of ethanol, water and ammonia water to the In the reaction bottle; ten minutes later, add a certain volume of tetraethyl orthosilicate (TEOS) under stirring and continue to stir. Immediately after adding, you can see that the emulsion turns milky white; after reacting for 3-24 hours, you can get the same The suspension of silicon dioxide nanoparticles of different sizes is centrifuged for subsequent use. By adjusting the ratio and temperature of each component in the method, the suspe...
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