DIS III Spectra Information

**You can find THE ORIGINAL OLD DIS lamp plots on the old APO Lamp Plot Page.**
Lamp	Low RED 300 lines/mm	Low Blue 300 lines/mm	Med Red 300 lines/mm	Med Blue 600 lines/mm	High Red 830.8 lines/mm	High Blue 1200 lines/mm
Helium	???? å 0.9 " slit	4500 å 1.5 " slit	6500 å 0.9 " slit	4400 å 0.9 " slit	6400 å 0.9 " slit	4400 å 1.5 " slit
Neon	7705 å 1.5 " slit	???? å 0.9 " slit	7600 å 1.5 " slit	???? å 0.9 " slit	7300 å 1.5 " slit	???? å 0.9 " slit
Argon	???? å 0.9 " slit	4200 å 0.9 " slit	7000 å 0.9 " slit	???? å 0.9 " slit	7700 å 0.9 " slit	4400 å 0.9 " slit
HeNeAr	???? å unidentified	~5100 å unverified	~6900 å unverified	???? å unidentified	~7300 å unverified	~5000 å unverified
Mercury-Neon	???? å unidentified	~5100 å unidentified	~6900 å unidentified	~5100 å unidentified	~7300 å unidentified	~5000 å unidentified
Bright Quartz	???? å unidentified	???? å unidentified	???? å unidentified	???? å unidentified	???? å unidentified	???? å unidentified
Dim Quartz	???? å unidentified	???? å unidentified	???? å unidentified	???? å unidentified	???? å unidentified	???? å unidentified

	LOW Red	LOW Blue	MED Red	MED Blue	HIGH Red	HIGH Blue
Central Wave	8000å	4224å	7500å	4000å	8465å	5000å
Wave Range (based on 2000 pixels)	10060å	4860å	4520å	2460å	1680å	1240å
Blaze Angle	3.43°	3.63°	6.53°	6.90°	20.57°	17.45°
Lines / mm	150	300	300	600	830.8	1200
Steps / pixel	-0.17	+0.15	-0.17	+0.15	-0.17	+0.15
Linear Dispersion w/ Current Optics	5.03å /pix	2.43å /pix	2.26å /pix	1.23å /pix	0.84å /pix	0.62å /pix
Linear Dispersion w/ Old Optics	7.0 å /pix	3.05å /pix	3.15å /pix	1.6 å /pix	1.17å /pix	0.80 å /pix