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Multi-Coated Filter is made of optical materials such as Bk7, Fused Silica, Colored Glass, Sapphire and so on. Our company offers Multi-Coated Filters include bandpass filters, dichroic filters, short-pass filters and long-pass filters.
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Multi-Coated Filter is made of optical materials such as Bk7, Fused Silica, Colored Glass, Sapphire and so on. Our company offers

Multi-Coated Filters include bandpass filters, dichroic filters, short-pass filters and long-pass filters.


Multi-Coated Filter specification or based on clients' requirements

1.Material

BK7 Glass, Fused Silica or Color glass

2.Dimensional tolerances

0/-0.1mm

3.Clear aperture

>90%

4.Surface flatness

λ/2@633nm

5.Parallelism

1 arc minute

6.Surface Quality

US Military Standard 40-20，ISO Standard 3X0.25

7.Edge Chip

＜0.1mm

8.Bevel

Based on clients' requests

9.Coating

AR, HR, PR or based on clients' requests