零膨胀微晶玻璃 Zero Expansion Glass - ZERODUR

Refractive Index at n_e

1.5447

Refractive Index at n_F' - n_C'

0.000975

Thermal Coefficient of Refractive Index at 0.5461 microns for

0/+20 ℃

14.3 x 10^-6

Transmission Range, microns

0.5 - 2.5

Thermal Linear Expansion,

℃^-1 for +20/+300 ℃

0.05 x 10^-6

Thermal Conductivity, W/(m * ℃)

for +80/+100 ℃

1.64

Specific Heat Capacity, J/(kg * ℃)

0.821 x 10³

Density, g/cm³ at 20 ℃

2.53

Young Modulus (E), Pa

9.1 x 10¹⁰

Poisson Ratio

0.24

Wavelength, Microns

Refractive Index

0.4358

1.5544

0.4800

1.5497

0.4861

1.5491

0.5461

1.5447

0.5876

1.5424

0.6438

1.5399

0.6563

1.5394