Dental X-Ray Fiber Optic Plate(dxFOP)

  • High Resolution (up to 228lp/mm)
  • Protect intra-oral sensor from Xray Damage
  • Absorb Stray Light and Improving SNR

Dental Xray Fiber Optic Plate (dxFOP) can be used as the input window ensures high image quality and long sensor life even under exposure to X-rays.


The specification below is refer to the production possibility with a certain type of material.
You can customize the dxFOP with specification mentioned below.

wdt_ID Attributes Values Notes
1 Single Fiber diameter 2.5um / 3um / 4um / 6um Smaller fiber size means higher resolution. (2.5um = 218lp/mm , 6um = 114um )
5 Maximum Size (Diagonal) Φ200mm Production cost will increase sharply once diagonal surpass 130mm. If you need a bigger size,
6 Thickness Minimum 0.2mm With a larger size of FOP, the minimum thickness required will also go up in order to maintain the structure. Usually thickness will go around 1mm - 3mm.
8 EMA Absorber Interstitial / Without EMA are special fibers insert in-between the standard fibers. They are using to absorb stray light between fibers. But at a cost of lowering the overall transmission
9 Numerical Aperture 1.0 Numerical Aperture are decided by the material using to produce the FOP
39 Wavelength 400 - 1350nm sFOP are produced from multi-component glass. Which has the highest transmission in VIS to NIR range. For UV application, other material will be used.
40 Transmission 70% - 78% Tested a sFOP of 5mm thickness, with EMA absorber, collimated light

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Intra-Oral Radiology Sensor:

Caesium Iodide scintillator with column-like micro-structures that preserve image quality; intercepts the X-ray beam and converts it into visible light. The Fibre Optics Plate collimates the radiation onto the sensor and protects it against X-ray penetration. The CMOS acquisition device and the electronics convert the light into a high definition digital image

Terms Definition Reference
Fiber Diameter (Pitch) Diameter of a fiber strand / Distance between fiber centering -
Numerical Aperture The numerical aperture, or NA, defines the angle of acceptance—beyond which light is lost out the sides of the fiber. The greater the NA of the fiber, the better the light transmission of the fiber. The larger the N·A is, the greater of luminous flux will be entering the fiber-optic image element
Resolution A detail resolution capability of the optical system to the transferred image The higher the resolution is, the stronger the ability of distinguish image details will be.
EMA In addition to the mono fiber elements, a second fiber is used in the construction of the multi fiber. Extra-mural absorption (EMA)fibers are special black absorbing fibers, inserted between (or in place of) mono fibers, which will absorb stray (scat-tered) light in the fiber optic material.
Core The transmitting qlass in a fiber optic wave guide. The core has a higher index of refraction than the cladding. -
Cladding The outer layer of glass in a fiber optic wave quide. The claddinc has a lower index of refractior than the core. -
Packing Fraction The packing fraction is defined as the ratio of core area to total area in the cross section of a fiber. -
Transmission Transmission are used to quantitatively describe the optical fiber's light transmission capacity, which is the ratio of the outgoing luminous flux to the incoming luminous flux. The greater the transmittance is, the clearer the imaging will be obtained

Resolution of dxFOP (6um & 114lp/mm)

dxFOP under microscope

wdt_ID SKU Dimension (mm) Thickness (mm) Numerical Aperture Fiber Diameter (um)
59 dxFOP1 35.43x26.88 1 1.00 6.00
71 dxFOP2 25x25 2 1.00 6.00
72 dxFOP3 D25 2 1.00 6.00
73 dxFOP4 30.6 x 20.7 3 1.00 6.00
74 dxFOP5 36 x 26.1 3 1.00 6.00
75 dxFOP6 25.5 x 18.9 3 1.00 6.00

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