Vacuum Iris Diaphragm Holder / VIH

These are stainless steel iris diaphragms which can change it's aperture size. It is mainly used for optical axis alignment of the laser beam and blocking the return light or stray light.

It also can be used in a UV optical system or in a clean room.
By sliding the adjustment lever, 12pcs diaphragm blades can be controlled and aperture will have a shape similar to a circular shape. By turning the adjustment lever, the aperture diameter can be fixed.
The scale for aperture diameter is in the front of the holder.
To minimize the outgassing, venting hole and grooving are provided onto screw holes and inset sections.

Common Specifications

Primary Material Steel
Finish None

 

Specifications

Part Number Aperture Diameter Weight
MAX MIN
VIH-15 φ15mm φ0.9mm 0.06kg
VIH-22 φ22mm φ0.9mm 0.1kg
VIH-36 φ36mm φ1.3mm 0.15kg

 

Vacuum Bases

     
Product Name Vacuum Pedestal Bases Vacuum Posts / Post Holders Vacuum Optical Baseplates Vacuum Screw Set
Product ImageVacuum Pedestal Bases 真Vacuum Post HoldersVacuum Optical Baseplates Vacuum Screw Set
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