infrared glass

Infrared glass charactersstics
Type	Thickness	A[2856k]			D65			Chemical stability		ND	a?0-7	Tg	Ts	S
	(mm)	x	y	Y	x	y	Y	DA	DW		(/?)	(?)	(?)
HWB760	3							5	4	1.532	111	534	592	2.77
HWB780	3							5	4	1.532	111	534	592	2.77
HWB800	3							5	4	1.52	98	559	615	3.05
HWB830	3							5	4	1.52	98	559	615	3.05
HWB850	3							5	4	1.52	98	559	615	3.05
HWB900	6							3	3	1.532				2.57
HWB900	6							3	3	1.532				2.57
Technical specifications of Infrared glass											Grading of Infrared glass by air bubble, strip and stress
Type	Thickness	?tj	?0	T?0	k						Type	Air bubble	Stripe	Stress
	(mm)	(nm)	(nm)	(%)
HWB760	3	760?0	850	=83.6	=0.6						HWB760	C-B	3C	3
HWB780	3	780?0	900	=83.6	=0.5						HWB780	C-B	3C	3
HWB800	3	800?0	900	=83.6	=0.5						HWB800	C-B	3C	3
HWB830	3	830?0	930	=83.6	=0.5						HWB830	C-B	3C	3
HWB850	3	850?0	950	=80.0	=0.5						HWB850	C-B	3C	3
HWB900	6	900?5	1050	=80.0	=0.2						HWB900	C	3C	3
HWB900	6	930?5	1050	=80.0	=0.2						HWB900	C	3C	3