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A Compact, Ultra-high-resolution Virtually Imaged Phased Array Spectrograph for Solar Spectroscopic Observations: Astrocomb Characterization and First Light

  • Authors: Yutao Wang, Xiaoming Zhu, Xiaoli Yan, P. F. Chen, Huiqi Ye, Dong Xiao, Jinping He

Yutao Wang et al 2026 The Astronomical Journal 172 .

  • Provider: AAS Journals

Caption: Figure 2.

Measured and simulated instrumental profiles (IPs) of the VIPA spectrograph for both single-mode (SMF) and multimode-fiber (MMF) inputs. The pronounced asymmetry, well fitted by a Fano–Lorentz product function, is intrinsic to the VIPA’s operation.

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