Aperture/Slit Material Index

Material	Thermal Conductivity Cal/Jsec/C	Melting Temperature	Reflectivity %at 1.06 (m)	Absorption	Damage Threshold (CW Energy)
Alumina	0.060	1750 C	95
Aluminum, 6061	0.0410	588 C
Brass, Naval	0.0280	887 C
Chromium	0.160	1857 C
Copper	9.918	1083 C	98
Diamond (CVD)		3550 C
Gold	0.075	1063 C	98
Graphite	0.037	3727 C
Hafnium		2231 C
Hasteloy C22	0.030	1357 C
Incolnel	0.036	1370 C
Iridium	0.0141	2443 C
Molybdenum	0.346	2610 C
Nickel	0.142	1453 C
Platinum	0.166	1769 C	80
Rhodium	0.210	1966 C	84
Silver	1.006	961 C	99
Stainless, 304	0.036	1427 C
Stainless, 316		1370 C
Stainless, 410	0.057	1532 C
Tantalum	0.130	2980 C
Tungsten	0.476	3880 C