Brief introduction This instrument mainly divided into four parts: light source, receiver, host, electronics and communication. 1 light source: 632.8nm He-Ne laser light source is characterized by: light intensity, spectral purity, wavelength stability is good. 2 Receiver: the photoelectric multiplier tube, the optical signal into the electrical signal, after amplification to the microcomputer, from the point of view of the computer to select the extinction position. 3 main part: in addition to the above two, there are the components of the sample, the sample table, the test component. 4 electronics and communications: the acquisition of light intensity and the corresponding point of view and transmission to the computer, and then received by the computer Features 1, the instrument adopts the method of extinction type elliptical polarization measurement, with the characteristics of high precision, automatic control, etc.. 2, the light source uses He Ne laser, the wavelength is high. 3, the instrument uses the USB interface and the computer connection, the supporting software for the sample data has many kinds of processing methods for different needs, and the software has the complete edition and the student edition two kinds of editions to apply to the teaching request. Technical parameter Measure range: 1nm ~ 4000nm; Minimum measure value: ≤1nm; Coating refractive index range: 1~ 10 The incident angle: 20°~90° (error≤0.05°) Polarizer azimuth range: 0 to 180 °; Polarizer step angle: 0.014° / step; Accuracy: 0.5nm at 10nm; The optical center height: 80 mm; Allow sample diameter: Φ10~Φ120, thickness≤16mm; Dimensions: 730 x230X 290; Host weight: 30kg;
Brief introduction This instrument mainly divided into four parts: light source, receiver, host, electronics and communication. 1 light source: 632.8nm He-Ne laser light source is characterized by: light intensity, spectral purity, wavelength stability is good. 2 Receiver: the photoelectric multiplier tube, the optical signal into the electrical signal, after amplification to the microcomputer, from the point of view of the computer to select the extinction position. 3 main part: in addition to the above two, there are the components of the sample, the sample table, the test component. 4 electronics and communications: the acquisition of light intensity and the corresponding point of view and transmission to the computer, and then received by the computer
