Spectroscope and microspectroscopic system
A spectroscope including: a spectral element that is configured to spectrally separate signal light; a first optical system that is configured to condense spectroscopic light spectrally separated by the spectral element; and an optical receiver that is configured to receive the spectroscopic light; wherein the optical receiver includes a plurality of regions different sensitivities with respect to a wavelength characteristics of the spectroscopic light.
1. A spectroscope comprising:
a spectral element that spectrally separates incident light;
a spatial light modulation element that has a plurality of reflective mirrors;
an optical receiver that has a plurality of photoelectric converting elements mounted on the optical receiver;
a first optical system that guides spectroscopic light spectrally separated by the spectral element to the spatial light modulation element; and
a second optical system that guides the light from the spatial light modulation element to the optical receiver;
wherein the first optical system and the second optical system have a greater refractive power in (1) a spectral separation direction in which the incident light is spectrally separated by the spectral element than in (2) a direction of arrangement of the photoelectric converting elements that is different from the spectral separation direction.
2. The spectroscope according to claim 1 ,
wherein the plurality of reflective mirrors are arranged at least in the spectral separation direction.
3. The spectroscope according to claim 1 ,
wherein the plurality of reflective mirrors are capable of rotating in the direction of arrangement of the photoelectric converting elements.
4. The spectroscope according to claim 1 ,
wherein the optical receiver is arranged at a rear-side focal position of the second optical system with respect to the direction of arrangement of the photoelectric converting elements.
5. The spectroscope according to claim 1 ,
wherein the spatial light modulation element and the optical receiver are in a conjugate relationship with respect to the spectral separation direction.
6. The spectroscope according to claim 1 ,
wherein the first optical system and the second optical system include a cylindrical lens.
7. The spectroscope according to claim 6 ,
wherein the second optical system includes a rotationally symmetric lens.
8. The spectroscope according to claim 1 , comprising:
a collimating optical system that causes incident light to a substantially collimated light,
wherein the spectral element spectrally separates the substantially collimated light.
9. The spectroscope according to claim 1 ,
wherein the optical receiver includes a plurality of regions having different sensitivities with respect to a wavelength characteristics of the spectroscopic light.
10. A microscope system, comprising:
a microscope including objective lens, and
the spectroscope according to claim 1 .
11. The microscope system according to claim 10 ,
wherein the microscope and the spectroscope are connected via an optical fiber.