Table 1 Physical properties of the 50 T-7Er glass.

From: Investigation of mid-infrared emission characteristics and energy transfer dynamics in Er3+ doped oxyfluoride tellurite glass

Properties

50T-7Er

Density, d (g·cm−3)

5.069

Average molar weight, (g·mol−1)

155.89

Er3+ concentration. C (1020 cm−3)

13.702

Refractive index, n at 632.8 nm

1.7378

Refractive index, n at 1311 nm

1.7162

Refractive index, n at 1539 nm

1.7130

Temperature of glass transition, Tg (°C)

425

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