Specification:
MATERIAL:	OPTICAL GLASS	OPTICAL GLASS
DIMENSION:	Ø25.00 +0.00/- 0.20mm	50.00 x 50.00mm +/- 0.20mm
THICKNESS:	± 0.10mm	± 0.10mm
EDGES:	FINE GROUND	FINE GROUND
SURFACE QUALITY:	60/40	60/40
COATING:	INCONEL (METALIC)	INCONEL (METALIC)
SPECTRAL RANGE:	350NM - 2500NM	350NM - 2500NM

Ø25mm Part No.	50 x 50mm Part No.	O.D @ 550NM	OPTICAL TRANSMISSION	TOLERANCE OF TRANSMISSION
FDI-2500 UNCOATED	FDI-5000 UNCOATED	0.03	93%	-
FDI-2501	FDI-5001	0.10	79%	±2%
FDI-2503	FDI-5003	0.30	50%	±2%
FDI-2505	FDI-5005	0.50	32%	±2%
FDI-2506	FDI-5006	0.60	25%	±2%
FDI-2508	FDI-5008	0.80	16%	±2%
FDI-2510	FDI-5010	1.00	10%	±1%
FDI-2513	FDI-5013	1.30	5%	±1%
FDI-2515	FDI-5015	1.50	3.2%	±0.6%
FDI-2520	FDI-5020	2.00	10	±0.3%