OHARA offers core and clad glasses for light guide fiber. They have high transmittance and high chemical durability. The materials are sullied in rod or cullet form.

Core Glasses
Glass Type		SF2F	PBM2Y	BSM51Y
Optical Properties	Properties Index nd	1.647	1.620	1.603
	Abbe Number νd	33.8	36.3	60.6
	Coloring(λ80/λ5)Reference Value	35/33	35/32	32/29
Thermal Properties	CTE  α(10-7/K) +100 - +300°C	97	97	77
Chemical Properties	Water Resistance RW(P)	2	2	2
	Acid Resistance RA(P)	2	1	4
	Weather Resisitance W(S)	1-2	1	3
	Acid Resistance  SR	2.2	1.0	51.2
	Phosphate Resistance PR	-	2.0	2.2

Clad Glasses
Glass Type		KD1	KD3	KD6	S-BSL7
Optical Properties	Refractive Index nd	1.520	1.510	1.510	1.516
	Abbe Number νd	59.3	59.6	62.5	64.1
	Coloring (λ80/λ5)Refelence Value	34/30	34/30	32/28	33/29
Thermal Properties	CTE  α(10-7/K) +100 - +300°C	100	94	82	86
Chemical Properties	Water Resistance RW(P)	2	3	1	2
	Acid Resistance RA(P)	1	1	1	1
	Weather Resisitance W(S)	2	1	2	1-2
	Acid Resistance  SR	1.0	1.0	1.0	1.0
	Phosphate Resistance PR	2.0	-	1.0	2.0

*Above properties subject to change along development.
*Please inform specifications of us when you place order.