Table 3 Key characteristics of MIR glass systems suitable for fiber drawing

From: Tantalo-gallate glass as robust nonlinear medium for mid-infrared photonics

Glass

MIR bulk window (μm) a

Tg (°C)

Vickers hardness (GPa)

n2/n2SiO2

As2S3 / GeTe410,67

15 / 25

180 / 150

1.5 / -

200 / 1000

ZrF4 / InF310,46,68

7.0 / 9.0

~300

~2.2

~1.2

Lanthano-tellurite16,50,69

6.0

375

2.7

15

Lead-germanate45,70,71

5.6

385

<3.0

8.1

Tantalo-gallate

5.8

750

5.6

8.0

  1. aat a value of ~3 cm−1.
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