Standard Phosphor Screen

The table on our standard parts table tab shows some of our standard phosphor screens used by our HRBIS and BOS imagers.

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P-43 is standard. Additional optional phosphors information can be found below.

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Product Overview

Beam Imaging Solutions provides separately as a standard product the  phosphor screens that we use in all of our beam imaging systems. These standard screens with their specifications can be under found in the Standard Parts Table. Beam Imaging Solutions can also provide a custom screen fitted to your particular needs. Please use the Custom Phosphor Screen – Beam Imaging Solutions for a quote. Please use the Standard Phosphor Screen – Beam Imaging Solutions link for a quote of our standard screens.

Technical Information

Substrate Material

Pyrex Disc, Fiber-Optic

Phosphor Type

P43 Aluminized, P43 ITO Undercoat

Phosphor Thickness

P43: 10-15 µm Al: 250-500 Å, P43: 10-15 µm

Input Surface Dimension

22.3, 25.0, 28.14, 32.7, 41.0, 50.0, 54.8, 86.36, 86.6

Output Surface Dimension

13.7, 22.3, 25.0, 32.7, 50.0, 50.8, 86.6, 92.25

Input Surface Effective Area

19.69, 19.9, 25.6, 30.2, 35.96, 38.5, 44.9, 51.5, 52.3, 81.3, 81.5

Output Surface Effective Area

12.8, 13.1, 19.69, 19.9, 30.2, 35.96, 44.9, 81.3, 81.5

Thickness

1.50, 4.0, 6.36, 20.88, 28.0, 60

Tapered Raio

N/A, 1:1, 2:1, 3:1, 4:1

Part Number

18-008, 18-008-ITO, 25-008, 25-008-ITO, 40-008, 40-008-ITO, 40-FO, 75-008, 75-008-ITO, 75-FO, 1000-705-1, 2000-705-2, 3000-705-3, 4000-705-4

Standard Parts Table

Part Number Substrate Material Phosphor Type Phosphor Thickness Dimensions Ø (mm) Effective Area Ø (mm) Thickness (mm) Tapered Ratio
Input Surface Output Surface Input Surface Output Surface
18-008 Pyrex Disc P43 Aluminized P43: 10-15 µm Al: 250-500 Å 25.0 25.0 19.9 19.9 1.50 N/A
18-008-ITO Pyrex Disc P43 ITO Undercoat P43: 10-15 µm 25.0 25.0 19.9 19.9 1.50 N/A
25-008 Pyrex Disc P43 Aluminized P43: 10-15 µm 32.7 32.7 30.2 30.2 1.50 N/A
25-008-ITO Pyrex Disc P43 ITO Undercoat P43: 10-15 µm 32.7 32.7 30.2 30.2 1.50 N/A
40-008 Pyrex Disc P43 Aluminized P43: 10-15 µm, Al: 250-500 Å 50.0 50.0 44.9 44.9 1.50 N/A
40-008-ITO Pyrex Disc P43 ITO Undercoat P43: 10-15 µm 50.0 50.0 44.9 44.9 1.50 N/A
40-FO (For BOS-40 with Fiberoptic Viewport) Fiber-Optic P43 Aluminized P43:10-15 µm, Al: 250-500 Å 41.00 50.8 35.96 35.96 20.88 1:1
75-008 Pyrex Disc P43 Aluminized P43:10-15 µm, Al: 250-500 Å 86.6 86.6 81.5 81.5 1.50 N/A
75-008-ITO Pyrex Disc P43 ITO Undercoat P43: 10-15 µm, Al: 250-500 Å 86.6 86.6 51.5 81.5 1.50 N/A
75-FO (For BOS-75 with Fiberoptic Viewport) Fiber-Optic P43 Aluminized P43:10-15 µm, Al: 250-500 Å 86.36 92.25 81.3 81.3 20.88 1:1
1000-705-1 Fiber-Optic P43 Aluminized P43: 10-15 µm, Al: 250-500 Å 22.3 22.3 19.69 19.69 6.36 1:1
2000-705-2 Fiber-Optic P43 Aluminized P43: 10-15 µm, Al: 250-500 Å 28.14 13.7 25.6 12.8 28.0 2:1
3000-705-3 Fiber-Optic P43 Aluminized P43: 10-15 µm, Al: 250-500 Å 41.0 13.7 38.5 12.8 4.0 3:1
4000-705-4 Fiber-Optic P43 Aluminized P43: 10-15 µm, Al: 250-500 Å 54.8 13.7 52.3 13.1 60 4:1

Optional Phosphors

Phosphor Type* Chemical Composition Typical Peak Wavelength Fluorescent Color Chromaticity Coordinates
(X,Y)
Decay Time
u=micro, n=nano, m=milli
Typical Quantum Yield(photons/eV/electron) Typical Absolute Efficiency(radiated watts/watt excitation) Remarks
EIA WDTS
P1 GJ Zn2SiO4:Mn2+ 525nm Yellowish-green 0.218, 0.712 1-100ms Used in Oscilloscopes, Radar
P11 BE ZnS:Ag 460nm Blue 0.139, 0.148 34us 0.038 0.10 Good energy conversion (efficiency) for blue light
P15 GG ZnO:Zn 504nm Green 0.246, 0.439 1-10us Used in Flying-spot equipment, photography
P20 KA (Zn,Cd)S:Ag 560nm Yellow-green 0.426, 0.546 60us 0.063 0.14 Good energy conversion (efficiency) for green light, Good for UV radiation, 250nm to 300nm
P22 R XX Y202S:Eu3+ Reddish-orange 0.639, 0.353 1-100ms Used in color TV
P22 G XX ZnS:Cu, Al Yellowish-green 0.281, 0.621 1-100ms Used in color TV
P22 B XX ZnS:Ag Blue 0.147, 0.152 1-100ms Used in color TV
P24 GE ZnO:Zn 510nm Green 0.238, 0.417 1-10us Flying-spot equipment
P31 GH ZnS:Cu 520nm Green 0.296, 0.577 10us-1ms Used in Oscilloscopes
P43 GY Gd2O2S:Tb3+ 545nm Green 0.344, 0.568 1ms 0.05 Excellent scintillator for x-rays < 250nm. Emission efficiency: 13%. Absorption characteristics: K-edge, 50.22 keV Effective atomic # 59.5.
P45 WB Y2O2S:Tb3+ White 0.251, 0.304 1-100ms Used in displays
P46 KG Y3AI5O12:Ce3+ 530nm Yellow-green 0.294, 0.532 300ns Flying-spot equipment
P47 BH Y2SiO5:Ce3+ 400nm Violet-blue 0.173, 0.088 55ns 0.055 Fast Decay Photography
P48 KH Y3AI5O12:Ce3+ (70%)
Y2SiO5:Ce3+ (30%)
Yellow-green 0.392, 0.507 Flying-spot equipment
P53 KJ Y3AI5O12:Tb3+ 544nm Yellowish-green 0.392, 0.507 1-100ms Head-up displays

* EIA- Electronics Industries Association of the USA. These symbols have been in use since 1945.

WTDS- Worldwide Phosphor Type Declaration System. Established in 1982.