Diameter (mm):

1.80 +0.00/-0.01

Effective Focal Length EFL (mm):

1.72

Aluminosilicate Glass Embedded with Silver Ions

f/#:

0.96

Numerical Aperture NA:

0.51

Coating:

BBAR (1310-1550nm)

Type:

Gradient Index Lens

Wavelength Range (nm):

1310 - 1550

Clear Aperture (%):

90.00

Coating Specification:

R_avg <0.5%, 0-30°

Focal Length Specification Wavelength (nm):

1550

Gradient Constant (mm^-1):

0.365

Index of Refraction n_d - Center of Lens:

1.616

Length (mm):

3.92

Pitch:

0.23

Surface Quality:

40-20

Working Distance (mm):

0.23

Working Distance Tolerance (mm):

±0.02

Length Tolerance (%):

±5

1.8mm Dia, 1550nm DWL, 0.23mm WD, NIR Coated, GRIN Lens