Radiation Resistant Glass Lenses
Before
After
The World’s Most Radiation Resistant Glass
Statistics
AFO Research Inc. has developed the world’s most radiation resistant fluorophosphate base glasses. These glasses can be used to create passive and active components for a broad range of applications.
| Glass Name | 2035/ Y 1 | 2035/Y 2 | 2035/ Y 3 | 2035/Y 5 |
|---|---|---|---|---|
| Refractive Index nD | 1.5878 | 1.5888 | 1.5898 | 1.5941 |
| Refractive Index nF | 1.5941 | 1.5951 | 1.5965 | 1.6003 |
| Refractive Index nC | 1.5851 | 1.5861 | 1.5873 | 1.5915 |
| (nF-nD)x105 | 620 | 620 | 670 | 630 |
| (nF-nC)x105 | 900 | 900 | 920 | 880 |
| Abbe Number | 65.31 | 65.42 | 64.1 | 67.5 |
| Thermal Expansion (30-100oC) | (2.6-3.0)x10-6/oC | |||
| Density (g/cc) | 4.15 | 4.17 | 4.19 | 4.25 |
| Transparency (before radiation):,350-2700 nm (average,sample size 10mm) |
90% | 90% | 88% | 87% |
| Transparency (after Radiation):,450-2700 nm (average,sample size 10mm) |
90% | 90% | 88% | 87% |
Radiation/High Energy Working Range for glasses shown above:
•Flux (n/cm2.sec) from 3.0x109 to 1.0x1014
Fluence (n/cm2) from 2.0x1016 to 8.3x1020
Exposure time 92 days
•1.8x106 Rad per Hr; Total Gamma dosage 1.29x109 Rad; Cobalt 60 exposure time 30 days
•Mixed Beam and Particle (protons; pions; electrons, neutrons and gamma rays) resulting from a 22 GeV proton beam incident on a metal target: estimated dose is bracketed by
10MRad<Dose<100 MRad. Additional Dosage: 13 MRad of 633 KeV137 Cs x rays.
The glasses are stable in water, acid and base.
AFO Research Inc. Florida Office
PoC: Jack Illare III
Tel. (772) 538-1288
Fax (772) 539-7061
1717 Indian River Blvd. Suite 301
Vero Beach, FL 32960
AFO California Office
676 W Wilson Ave #A Glendale CA 91203
P.O. Box 1934
Glendale, CA 91209
PoC: Ashot Margaryan
Tel. (818) 470-2003
Fax (818) 500-8173
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