Color target generator based on digital micromirror device
A digital micromirror device and generator technology, applied in the field of optical detection, to achieve the effect of wide color range, simple mechanical structure and high detection efficiency
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[0021] Example 1
[0022] See figure 2 The device of the present invention is composed of an incandescent lamp 1, a light splitting device 2, a reflection array 3, a projection lens 4, a coupling fiber device 5, an integrating sphere 7, a spectral luminance meter 9, and a computer 10. The incident direction of the reflective array 3 is 24 with the incandescent lamp 1, the light splitting device 2 along the optical axis of the natural light emitted by the incandescent lamp 1. 0 The DMD reflective array 3, the lens 4 and the light coupler 5 are arranged along the optical axis of the reflected light of the reflective array 3. The light coupler 5 and the integrating sphere 7 are connected by an optical fiber 6; the integrating sphere 7 passes The probe 8 is connected with a spectral luminance meter 9, and both the spectral luminance meter 9 and the reflection array 3 are connected to the computer 10.
[0023] The working principle of the present invention is specifically as follows: ...
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[0024] Example 2
[0025] This embodiment is enumerated as an application of embodiment 1. Other light sources can be generated according to actual needs, which can be selected by the user. The target light source generated by the present invention: two sets of light sources generate two colors respectively, and the output of the integrating sphere Targets are set at the two targets. Of the two targets, the positive four-bar target is defined as the four target stripes that can transmit light and the background is opaque; the negative four-bar target is the opposite, and the foreground and background patterns of the test pattern are formed at this time; two targets are set At the two conjugate intersection points of the reflective collimating optical unit, forming an infinite standard color target source.
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