GG-475, 50.8mm Sq. Longpass Filter

Dimensions (mm):

50.8 x 50.8

Dimensional Tolerance (mm):

±0.38

Glass/Filter Number:

Schott GG 475

Cut-On Wavelength (nm):

475

Thickness (mm):

3.00

Thickness Tolerance (mm):

±0.2

Coating:

Uncoated

Color:

Yellow

Cut-Off Position λ_c (nm):

475±6

Density (g/cm³):

2.56

Substrate:

Colored Glass

Passband Limit 1 λ_p1 (nm):

550.00

Spectral Transmittance t_ip (%):

92.00

Stopband Limit λ_s(nm):

410.00

Surface Quality:

80-50

Transformation Temperature (°C):

531.00

Type:

Longpass Filter

Wavelength:

VIS

Reflection Factor P_d:

0.92

Regulatory Compliance

RoHS 2015:

Exempt

Product Family Description

UV, VIS and IR Pass Ranges
VIS Can Be Used for Color Bandpass

A longpass filter has low transmission in the shortwave region (stopband) and high transmission in the longwave region (passband).

Longpass Filter Kits

Longpass filter kits are available in three different options: UV-VIS, VIS, or VIS-NIR. Each kit contains 8 filters in either 12.5mm diameter, 1" diameter, or 2" square. Wooden box with foam lining is included.

UV-VIS Kit Contains: WG 295, WG 305, WG 320, L 37, GG 400, GG 420, GG 435, GG 455
VIS Kit Contains: GG 475, GG 495, OG 515, OG 530, OG 550, OG 570, OG 590, RG 610
VIS-NIR Kit Contains: RG 630, RG 665, RG 695, RG 715, RG 780, RG 830, RG 850, RG 1000

Complete Filter Kits

Complete filter kits available with 12.5mm diameter, 50.0mm diameter, 1" diameter, or 2" square filters. Each kit contains all 37 Longpass Glass Color Filter types.

Technical Information


λ_s	limit of stopband: specified at 0.001% internal transmittance
λ_c	cut-off position: specified at 50% internal transmittance
λ_p	limit of the passband
t_ip	internal spectral transmittance at λ_p
ρ	density
T_g	transformation temperature