Qian Liang, Yahui Zhang. Temperature Compensation Model for Large-Aperture Optoelectronic Devices[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1912003
- Laser & Optoelectronics Progress
- Vol. 58, Issue 19, 1912003 (2021)
Fig. 1. Simulation results of focal length changes of different spectral bands with temperature
Fig. 2. Relationship between temperature and focal length. (a) Linear-convex curve model; (b) convex curve-linear model; (c) convex curve-concave curve(or linear)-concave curve model; (d) convex curve model; (e) concave curve-convex curve(or linear)-convex curve model; (f) convex curve model
Fig. 3. Relationship between the temperature and the change of the Cassegrain focus for the 1 m telescope
Fig. 4. Simulation result of linear compensation model
Fig. 5. Simulation results of Fourier compensation model. (a) Simulation result of the first-order Fourier compensation model; (b) simulation result of the second-order Fourier compensation model; (c) simulation result of the third-order Fourier compensation model
Fig. 6. Experimental simulation results. (a) Fitting result (up) and residual(down) of linear compensation model; (b) fitting result(up) and residual(down) of Fourier compensation model
Fig. 7. Residual comparison of two compensation models
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Table 1. Statistical analysis of long focus FLC for visible light with temperature
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