Effective Focal Length EFL (mm):

20.07

Poly IR

Coating:

Uncoated

Type:

Fresnel Lens

Wavelength Range (nm):

8000 - 14000

Center Thickness CT (inches):

0.02

Coefficient of Thermal Expansion CTE (10^-6/°C):

11 - 13

Dimensions (inches):

2.0 x 2.0

Dimensions (mm):

50.8 x 50.8

Effective Diameter (inches):

1.3

Effective Focal Length EFL (inches):

0.79

Flexural Modulus (psi):

(100-260) x 10³

Groove Density (grooves/inch):

200.00

Index of Refraction n_d:

Visible (Sodium D Line): 1.52
8-14µm: 1.53
15µm+: 1.48

Operating Temperature (°C):

100.00

Shore Hardness:

D60-70

Wavelength Range (μm):

8 - 14

Young's Modulus (GPa):

0.40 - 1.24

2.0" x 2.0", FL 0.79", IR Fresnel Lens

技術資訊