STANDARD FILTER DIMENSIONS
If you wish to order filters with special substrate requirements, please contact us. We will then discuss the price of the tailored products.
Filter Sets consist of three filters. Excitation and Emission filters are circular filters mounted in ring, on which are engraved their names. The Beamsplitter is coated on a plate, therefore it does not have a ring.
|Filter type||Dimensions (mm)|
|Excitation filter||BP||Ø25 with ring|
|Emission filter||BP or LP||Ø25 with ring|
Bandpass Filters and Edge Filters
This subsection applies to single-band, multiband, edge filters. These filters are circular and mounted in a laser engraved ring. If nothing else specified, the substrate follows these specifications:
|Substrate Material||N-BK7 or colored glass|
|Outer Diameter||Diameter 24.1 mm without ring; Diameter 25 mm with ring|
|Identification||The arrow on the ring points in the direction |
of propagation of the light for EX filters,
but in the opposite direction for EM filters.
Please ask for a specific product.
This subsection applies to single-band, multiband, angle-tolerant, polarisation beamsplitters. These filters are coated on a rectangular plate. If nothing else specified, the substrate follows these specifications:
|Substrate Material ||N-BK7|
|Dimensions||26 mm x 36 mm|
|Identification||One corner identification bevel|
Linear Variable Filters
These filters are rectangular filters. If nothing else specified, the substrate follows these specifications:
|Substrate Material||UV fused silica|
|Dimensions||60 mm x 15 mm|