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Closed Variable Wheel Attenuator 990-0704

Closed Variable Wheel Attenuator 990-0704

Closed Variable Wheel Attenuator 990-0704 is used when photodetectors with high sensitivity (e.g. CCD, photomultiplier, etc.) are used and it is necessary to eliminate the side background lighting fully.

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delivery Estimated delivery time: 5 - 6 days
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Specifications
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Description
Code Description Price Delivery Add to cart
990-0704 closed variable attenuator 659 $ 5 - 6 days
991-0704 closed variable attenuator with CCD camera Request Request
990-0000-01 adapter 12 $ 5 - 6 days
990-0000-02 adapter 19 $ 5 - 6 days
 Diameter NDF 20 mm 
 Maximum thickness 3 mm 
Non-parallel filters  (inclined by 4°)  
Maximum deviation 0.09 mm 
Clear aperture  Ø 18 mm

 

Closed Variable Wheel Attenuator 990-0704
346.56 kB
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  • 4 wheels, each containing  3 filters & 1 empty space
  • 4 fixed positions per wheel
  • C-mount threads on both ends
  • Connecting adapters available
  • Stray light fully eliminated
  • Variable height of the optical axis
  • Three mounting holes

Closed Variable Wheel Attenuator 990-0704 is used when photodetectors with high sensitivity (e.g. CCD, photomultiplier, etc.) are used and it is necessary to eliminate the side background lighting fully. You may order standard connecting adapters 990-0000-01 and 990-0000-02 separately. Custom adapters are available too.

 

Loosen the central axis and rotate the whole body of the filter to set the desired position of an optical axis at a height between 36–71 mm.

 

The base of the attenuator has M6 holes on 3 sides for mounting versatility.