Table 3 Absorptivity of HfxSi1−xO2 film annealed at different temperatures.

From: Interface and material engineering for zigzag slab lasers

HfxSi1−xO2 Film

Unannealed

Annealed at 400 deg

Annealed at 500 deg

Annealed at 600 deg

Absorptivity (cm−1)

2.3

5.4 × 10−1

4.5 × 10−2

4.1 × 10−2