Echelle Spectrograph ·
Order Ladder
un
seel
.com · echelle grating · spectral orders · cross-disperser
Resolving power
—
Orders on chip
—
Stage
—
Incoming starlight
Echelle grating (staircase)
Overlapping high orders
Cross-disperser → ladder
▶ Play
←
→
🔇 Unmute
Reset
Un
seel
.com · Echelle Spectrograph