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- Contact Person : Mr. Ge Alex
- Company Name : Atom Optics Co., Ltd.
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Faraday Rotator Glass
Product Detailed
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Faraday rotator glass has been used for magneto-optical isolator, switch, modulator and sensor.
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TG20 is a high Verdet constant glass in common uses.TGP20 is characterized by a high Verdet constant and a lower nonlinear refractive index n2 to avoid self-focusing in high power laser system.
The properties of Faraday rotator glassesTG20 | TGL20 | |
Verdet constant V (min/Oe.cm) | ||
| 632.8nm | -0.258 | -0.149 |
| 1064nm | -0.075 | -0.05 |
| Refractive Index nd | 1.6888 | 1.5588 |
| Abbe Number | 53.14 | 62.92 |
| Nonlinear refractive index (10-13 e.s.u.) | 2.46 | 1.34 |
| Thermal coefficient of refractive index (10-7/) | 74 | 6.9 |
| Thermal coefficient of optical path (10-7/) | 105 | 46 |
| Transmission window (nm) | 520-1400 | 520-1400 |
| Coefficient of thermal expansion (10-7/) | 51.3 | 70 |
| Transition temperature () | 760 | 566 |
| Sag temperature () | 800 | 596 |
| Density (g/cm3) | 4.32 | 3.32 |
| Youngs modulus GPa | 108 | 65.2 |
| Poissons ratio | 0.22 | 0.24 |
| Knoop hardness (Kgf/cm2) | 760 | 515 |
| Chemical durability | Excellent | Excellent |
Faraday Rotator Glass
