Hoya L-37 (370nm), 25.4mm Dia. Longpass Filter

Dimensional Tolerance (mm):

+0/-0.25

Diameter (mm):

25.40

Glass/Filter Number:

Hoya L-37

Cut-On Wavelength (nm):

370.00

Thickness (mm):

2.50

Thickness Tolerance (mm):

±0.2

Coating:

Uncoated

Color:

Clear

Cut-Off Position λ_c (nm):

370±6

Density (g/cm³):

3.26

Substrate:

Colored Glass

Passband Limit 1 λ_p1 (nm):

400.00

Spectral Transmittance t_ip (%):

93.00

Stopband Limit λ_s(nm):

323.00

Surface Quality:

80-50

Transformation Temperature (°C):

440.00

Type:

Longpass Filter

Wavelength:

Reflection Factor P_d:

0.92

Regulatory Compliance

Reach 181:

Compliant

RoHS 2015:

Compliant

產品系列說明

提供紫外線、可見光與紅外線通過系列
可見光可用於彩色帶通濾光片
亦提供轉接版本

高通濾光片在短波區域(截止區域)內具有低穿透率，在長波區域(通過區域)內具有高穿透率。

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.

技術資訊


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