The J12818-01 focusing capillary lens is a focusing optics for X-rays, consisting of a bundle of numerous hollow glass capillaries formed into a cylindrical shape with its ends gently tapered. This product utilizes total reflection of X-rays on the inner wall of each capillary to focus X-rays emitted from an X-ray source to a small spot.
|Parameter||Description / Value||Unit|
|Operating X-ray energy (recommended)||3 to 25 *1||keV|
|Input focal length||70±10||mm|
|Output focal length||5±2||mm|
|Focusing size (FWHM)(Typ.)||20||μm|
|Gain(Min)@Cu-Kα (8.0 keV) *2||10,000||-|
|Operating ambient temperature||0 to +50||℃|
|Input / output window material||Polyimide film||-|
|Housing case material||Stainless steel||-|
*1 Compatible with less than 3 keV when input/output windows are removed.
*2 Compared with a pinhole of the same size as the focusing size, placed at the focus position.An X-ray source with a focal spot size of 20 μm is used.
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