Structural Optimization Design and Analysis of M-Type Czerny-Turner Spectrometer

Fig. 4. Optical path structures under different $α$ and $θ_{C}$ .（a） $α = 5 °, θ_{C} = 10 °$ ；（b） $α = 8 °, θ_{C} = 10 °$ ；（c） $α = 12 °, θ_{C} = 6 °$

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$RMS radius of point column in Y-axis direction and diffraction limit versus wavelength$

Fig. 5. RMS radius of point column in Y-axis direction and diffraction limit versus wavelength

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Fig. 6. Spot diagram of image plane

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Table 1. Basic parameters of Czerny-Turner structure
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Table 1. Basic parameters of Czerny-Turner structure
Basic parameter Value
Slit width /μm 25
Relative aperture 1/4
Central wavelength /nm 350
Grating constant /（line·mm^-1） 1/600

Table 2. Design parameters of Czerny-Turner structure

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Table 2. Design parameters of Czerny-Turner structure

Specification	$\begin{array}{l} α = 5 °, \\ θ_{C} = 10 ° \end{array}$	$\begin{array}{l} α = 8 °, \\ θ_{C} = 10 ° \end{array}$	$\begin{array}{l} α = 12 °, \\ θ_{C} = 6 ° \end{array}$
$L_{G} / m m$	36.0	36.0	35.3
$R_{C} / m m$	283.9328	282.7183	276.5303
$R_{F} / m m$	317.7038	312.0461	301.8105
$L_{C G} / m m$	120.0041	119.4908	116.8754
$L_{S C} / m m$	139.8096	139.2116	137.5077
$L_{G F} / m m$	134.2774	131.8862	127.5601
$L_{F D} / m m$	154.3639	151.4908	149.2958

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Yunpeng Wu, Jun Wang. Structural Optimization Design and Analysis of M-Type Czerny-Turner Spectrometer[J]. Laser & Optoelectronics Progress, 2022, 59(11): 1130002

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