# title = "BL 380: 1200 l/mm"
# type = grating
# gmm = 1200 groves/mm
# blaze = 35.92 deg
# reflectance = 0.555
# eff1 = KPNO/Gratings/BL380.1        # First order measured efficiency
# eff2 = KPNO/Gratings/BL380.2        # Estimated efficiency
