| 摘要 |
The monochromator is noteworthy in that the dispersive optical grating which it uses has two faces r1 and r2. The light from the white light source s is thus defracted twice and conveyed via mirrors and slits to an output f5 with high luminous output and a high degree of rejection of scattered light. This double monochromator is in particular useful for spectrofluorometry. <IMAGE>
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