Fig. 1. Typical fiber bundle arrangement in a multi-object fiber spectrograph

Fig. 2. Functional diagram of waveguide realignment chip

Fig. 3. The comparison of detector utilization efficiency for multi-object spectroscopy under two different bundle arrangements

Fig. 4. expected observation results of detectors under bundled waveguides and fibers

Fig. 5. Chip fabrication and physical demonstration

Fig. 6. Schematic diagram of experimental setup for 8-channel spectroscopic detection with bundled waveguides

Fig. 7. dual-wavelength spectra in 8 channels obtained from experiment and simulation

Fig. 8. Divergence angle of waveguides under different configurations and materials