Detection head of spectrophotometer
A spectrophotometer and detection head technology, applied in spectrometry/spectrophotometry/monochromator, optical radiation measurement, measuring device, etc., can solve the problems of measurement inconvenience, achieve compact structure, improve sensitivity, reduce Effect of Optics Adjustment Difficulty
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Embodiment 1
[0047] See eg figure 1 , the present invention is provided with incident optical fiber 1, incident optical fiber collimator 2, optical fiber coupler 3 (light splitter), reference optical fiber 5, return optical fiber 6, return optical fiber collimator 7, sample chamber 8 and tapered reflector prism 40, 41 and 42.
[0048] The input end of the incident fiber 1 is connected to an external light source, the output end of the incident fiber 1 is connected to the input end of the incident fiber collimator 2, the incident light is collimated by the incident fiber collimator 2, and the output light is split into two paths by the fiber coupler 3 , one of which enters the reference optical fiber 5 as reference light, and the other enters the sample chamber 8 as information light. In the sample chamber 8, the information light is reflected by the conical reflective prisms 40, 41 and 42 and passes through the sample multiple times, and enters the return fiber collimator 7 after being ab...
Embodiment 2
[0051] see figure 2 , similar to Embodiment 1, the difference is that the output end of the incident fiber 1 is connected to the fiber coupler 3 (light splitting component), and the incident light is divided into 2 paths by the fiber coupler 3 (light splitting component), and one of them enters as a reference light The reference light output port of the fiber coupler 3 enters the reference fiber 5, and the other one as information light enters the incident fiber collimator 2 through the information light output port of the fiber coupler 3, and is output after being collimated by the incident fiber collimator 2 The information light enters the sample chamber 8, passes through the sample multiple times after multiple reflections by the three conical reflective prisms 40, 41 and 42, and after being absorbed by the sample, the information light is coupled into the return optical fiber 6, and guided by the return optical fiber 6 to External instrument host. exist figure 2 Among...
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