Figure 1. The EXCV Collimator Kit slides over the 1.5 inch extender of the X-123.
Figure 1. The EXCV Collimator Kit slides over the 1.5 inch extender of the X-123.

In order to accommodate applications where the X-ray flux is too high for both the detector and the electronics that process the X-ray spectrum, we have developed a “Collimator Kit” to collimate the primary X-ray beam. This system is comprised of the EXVC Collimator Housing which slides over the 1.5 inch extender of the X-123.

The EXVC Collimator Housing can accommodate up to two Tungsten (W) collimator disks that are placed inside a bayonet holder in front of the detector. By selecting the appropriate Tungsten collimator disks, the user can reduce the incoming X-ray flux and allow the detector and electronics to process the X-ray spectrum. Seven different Tungsten collimator disks are provided with different size holes in order to allow for a wide range of applications.

The EXVC Collimator Housing is made of stainless steel and can also be used inside a vacuum chamber.

Figure 2. EXVC Collimator Kit Mechanical Dimensions. All dimensions in inches unless except as noted.
Figure 2. EXVC Collimator Kit Mechanical Dimensions. All dimensions in inches unless except as noted.
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The EXVC Collimator Kit Includes:

  • Stainless steel collimator housing
  • Brass Spacer
  • Tripod and mounting plate (included when ordering for use with standard 1.5 inch extender box)
  • Laser pointer
  • 7 Tungsten (W) Collimator disks:
    • 1 mm thick with 25 µm hole
    • 1 mm thick with 50 µm hole
    • 2 mm thick with 100 µm hole
    • 2 mm thick with 200 µm hole
    • 2 mm thick with 400 µm hole
    • 2 mm thick with 1000 µm hole
    • 2 mm thick with 2000 µm hole

All Tungsten disks are made of alloy HD17 (90% W, 6% Ni, 4% Cu).

All Tungsten disks and spacers have a diameter of 0.625 inches.

Optional: EXVC-W-SPACER
This Tungsten (W) Spacer /Collimator is 36 mm thick with a 300 µm hole. It is designed to stop and collimate x-rays greater than 150 keV that are produced from high energy tubes.

EXVC Collimator Kit on the X-123CdTe
Figure 3. EXVC Collimator Kit on the X-123CdTe.

Specifications subject to change without notice.

EXVC Collimator Kit Specifications in PDF format – 750 k