published:2020-04-03
the 1.2m telescope-based two-channel imaging system customized for kd is mainly composed of several groups of lenses and folding mirrors. it is an astronomical imaging instrument used with a 1.2m quantum telescope.
wavelength coverage: 400nm-1000nm; the mean efficiency >99%; face form accuracy: <λ/10pv@632.8nm; face form accuracy after cementing <λ/40rms@632.8nm;
the error of distance between the lenses is less than ±0.05mm, and the concentricity between the lenses is <±0.02mm; the total system mass is less than 80kg.