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NBP 1300-25 HT 
SWIR Filter



Key features

  • Average transmittance >80%
  • Steep slopes
  • Wavelength tolerance +/- 5 nm
  • Deep blocking / High optical density
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Schneider-Kreuznach SWIR Filter NBP 1300-25

Schneider-Kreuznach SWIR filters are designed for optimal performance in the short-wave infrared range, providing stable center wavelengths and high transmission. Their durable construction ensures reliable results even in challenging industrial or surveillance environments.

The Schneider-Kreuznach NBP 1300-25 HT magnetron sputtered industrial narrow bandpass filter features steep slopes for sophisticated applications that require a sharp transition between high transmission and deep blocking at stable cut-on and cut-off wavelengths. The layers are applied by means of magnetron sputtering, a special coating process. Schneider-Kreuznach narrow bandpass filters are RoHS conform. Custom sizes are available on request.

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Technical specifications: NBP 1300-25 HT SWIR Filter

TypeStandard
Wavelength range, 50%-50%1287-1313 nm
Center Wavelength1300
Bandwidth25
Transmission80 %
Optical densityOD4
Angle of incident0o +/- 8o
Central Wavelength (CWL)1300 +/- 5nm
Full Width at Half MaFimum (FWHM)25 +/- 5nm
Transmittance1287 - 1313 nm: Tabs > 80%
Blocking< 1270 nm: Tabs < 0.025%
1330 - 2000 nm: Tabs < 0.025%
Wavefront distortion0 >18 - 30 mm: 13/ 1(0.25) 1 0 >30 - 50 mm: 13/ 1(0.30)
Parallelism1J
Glass thickness tolerance1.1 mm +/- 0.08mm

Filter specifications glossary

 

Specification Description
Angle of incidence (AOI) Angle between a ray of light and the surface normal to the surface it strikes
Cut-on wavelength Wavelength at which the transmission of the lower edge rises to 50%
Cut-off wavelength Wavelength at which the transmission of hhe upper edge drops to 50%
Central Wavelength (CWL) Center of the filter’s passband for which it is primarily designed
Full Width at Half Maximum (FWHM) Spectral bandwidth measured at 50% of the peak transmittance
Transmittance Ratio of transmitted light intensity to incident light intensity
Blocking Strong attenuation of light intensity over a specified wavelength range
Wavefront distortion Deviation of the transmitted wavefront from a reference plane
Parallelism Angular deviation between the two main surfaces of the filter
Glass thickness tolerance Permissible deviation from the specified substrate thickness
Wavelength range Spectral region over which the filter is designed to operate
Coating Applied layer(s) defining the filter’s spectral characteristics
Temperature range Recommended operational limits for ambient or device temperature
Glass thickness Nominal thickness of the filter glass
Optical density Attenuation measure defined as −log₁₀ of transmittance
Transmittance average Average light transmission across the specified wavelength range
Wavelength Wavelength range at which the polarizer specification applies
Transmittance, unpolarized light Ratio of transmitted to incident intensity for unpolarized light
Extinction ratio Ratio of transmitted intensity along the polarizer’s pass axis to that along its block axis
Max. size Largest standard dimension for the polarizer film
Temperature range Minimum to maximum temperature for reliable performance
Substrate Base material on which the polarizing film is applied
Thickness Nominal overall thickness of the polarizer film
Info Unless otherwise stated, all dimensions in this data sheet are in mm

 

Picture of the filter

Schneider-Kreuznach SWIR Filter NBP 1300-25



Transmission of the NBP 1300-25 HT Filter


 

Transmission Data

 

Download Excel

Wavelength (nm) Transmission (%)
1270 1.334789
1270.5 1.856968
1271 1.394979
1271.5 0.531766
1272 0.799503
1272.5 0.786116
1273 0.818541
1273.5 1.054463
1274 1.789043
1274.5 1.481557
1275 0.380962
1275.5 0.843085
1276 0.77875
1276.5 0.68976
1277 1.699143
1277.5 1.886455
1278 1.90641
1278.5 1.964054
1279 0.96114
1279.5 2.127607
1280 2.903771
1280.5 3.25326
1281 2.862072
1281.5 3.83511
1282 5.486095
1282.5 5.992092
1283 7.218447
1283.5 10.018539
1284 12.694963
1284.5 16.17439
1285 21.932637
1285.5 28.119196
1286 36.788359
1286.5 45.371122
1287 54.95516
1287.5 65.507397
1288 73.836658
1288.5 79.273803
1289 82.427557
1289.5 84.309833
1290 84.099382
1290.5 82.750508
1291 81.464012
1291.5 80.600211
1292 79.427944
1292.5 78.561418
1293 77.931736
1293.5 78.594027
1294 79.459832
1294.5 80.02553
1295 79.85098
1295.5 81.406543
1296 81.12332
1296.5 83.456571
1297 83.388343
1297.5 83.979377
1298 84.3262
1298.5 85.15625
1299 84.293721
1299.5 84.535436
1300 84.525468
1300.5 83.867449
1301 83.636418
1301.5 83.679167
1302 83.918455
1302.5 83.158024
1303 82.968344
1303.5 82.525788
1304 82.761955
1304.5 81.461465
1305 81.336723
1305.5 80.6684
1306 80.067709
1306.5 77.366617
1307 77.220465
1307.5 73.307551
1308 70.592901
1308.5 65.889361
1309 62.063861
1309.5 57.385791
1310 52.341558
1310.5 46.434022
1311 40.929547
1311.5 35.779191
1312 31.359537
1312.5 26.61144
1313 22.896419
1313.5 19.516099
1314 15.847546
1314.5 13.928365
1315 12.483576
1315.5 11.277986
1316 8.619493
1316.5 8.090647
1317 6.36418
1317.5 6.643002
1318 3.979526
1318.5 5.03551
1319 3.707696
1319.5 3.138892
1320 3.580028
1320.5 3.210855
1321 1.907393
1321.5 2.360906
1322 0.729134
1322.5 1.878437
1323 1.939994
1323.5 1.808681
1324 1.426943
1324.5 1.273577
1325 0.940838
1325.5 1.080698
1326 1.700782
1326.5 1.453611
1327 2.244932
1327.5 0.921339
1328 1.412141
1328.5 0.821949
1329 1.474824
1329.5 0.711848
1330 1.804562

 

 

Mounted Industrial Filter [IF]


MountThicknessID
CMT1.1 mm1110155
SH 25.51.1 mm1110156
SH 27.01.1 mm1110157
SN1 30.51.1 mm1110158
SH 34.01.1 mm1110159
SH 35.51.1 mm1110160
SH 37.01.1 mm1110161
SH 39.01.1 mm1110162
SH 40.51.1 mm1110163
SH 43.01.1 mm1110164
SH 46.01.1 mm1110165
SH 49.01.1 mm1110166

Order nomenclature
IF NBP 1300-25 HT [Mount] [Thickness]
Example: IF NBP 1300-25 HT SH 25.5 2
 

Mounts for Industrial Optical Filters

C-Mount

Defined by 1” (25.4mm) diameter and 32 turns per inch pitch, the C-Mount thread is a popular camera mount in machine vision industry. Schneider-Kreuznach offers a C-Mount option for most filters. So filters can go in any C-Mount based mechanics in vision systems.

Another popular application, C-Mounts can easily be used for, is placing a filter in front of the sensor into the camera. The extension of the back flange distance has to be considered for imaging applications.

Key Features of C-Mount Filters:
Fits in C-Mount cameras
Black Anodized Brass

Applications of C-Mount Filters:
To be mounted in C-Mount cameras
Vision Systems based on C-Mount mechanics

Thread Diameter Clear Thickness
Aperture
1'' - 32 25.4 mm 21.1 mm 3.6 mm

 

Filter C-Mount

 

 

SH-Mount

Schneider-Kreuznach offers a variety of mounts with common thread sizes to fit on most camera lens systems. SH-Mount is the standard, when high flexibility is needed. Filters are held by retainer rings. SH-Mounts are extreme robust.

All SH-Mounts have a female and male M-thread, and can be stacked if several filters must be combined.

Key features of SH-Mount Filters:
Stackable
​​​​​Robust
Black Anodized Brass

Applications of SH-Mount Filters:
Mounted on lenses in imaging applications
Mounted on measurement instruments

Thread Diameter Clear Thickness
Aperture
M 25.5x0.5 29.5 mm 20.8mm 6.4 mm
M 27.0x0.5 31.0 mm 21.8 mm 6.4 mm
M 35.5x0.5 39.5 mm 29.8 mm 6.4 mm
M 37.0x0.75 41.0 mm 31.8 mm 6.9 mm
M 39.0x0.5 43.0 mm 33.8 mm 6.4 mm
M 40.5x0.5 44.5 mm 35.8 mm 6.4 mm
M 43.0x0.75 47.0 mm 37.8 mm 6.9 mm
M 46.0x0.75 50.0 mm 40.8 mm 6.9 mm
M 49.0x0.75 53.0 mm 43.8 mm 6.9 mm
M 52.0x0.75 56.0 mm 46.8 mm 6.9 mm
M 55.0x0.75 59.0 mm 49.8 mm 6.9 mm
M 58.0x0.75 62.0 mm 52.8 mm 6.9 mm
M 62.0x0.75 66.0 mm 56.8 mm 6.9 mm
M 67.0x0.75 71.0 mm 61.8 mm 6.9 mm

 

SH Filter-Mount

 

SN1-Mount

The SN1-Mount was designed for the in machine vision popular M30.5x0.5 thread. With its high clear aperture, vignetting can be avoided, even for wide angle applications. The filter is glued into the mount, in order to secure it against vibrations when integrated into robots or production lines. It is ideal to be used in automated fabrication.

SN1-Mounts have a male and female M-thread, and can be stacked if several filters must be combined.

Key features SN1-Mount Filters:
Maximum Clear Aperture
No vignetting
Stackable
Robust
Black Anodized Brass

Applications SN1-Mount Filters:
Mounted on lenses in imaging applications
Mounted on measurement instruments

Thread Diameter Clear Thickness
Aperture
M 30.5x0.5 32 mm 28 mm 6.5 mm

 

SN1 Filter-Mount

 

SN1-Mount

The SN2-Mount is designed for polarizers and achieves highest possible aperture, avoiding vignetting in machine vision systems. Its unique locking mechanism fixes the correct orientation, even in typical industrial environment. The filters are glued into the mount to secure them against vibrations when integrated into robots or production lines. Ideal for use in automated fabrication.

SN2-Mounts have a female and male M-thread, and can be stacked if several filters must be combined.

Key features:
Rotatable
High clear Aperture
No vignetting
Stackable
Robust
Black Anodized Brass

Applications:
Mounted on lenses in imaging applications
Mounted on measurement instruments

Thread Diameter Clear Thickness
Aperture
M 25.5x0.5 27 mm 22.7 mm 7.4 mm
M 27.0x0.5 28.5 mm 23.7 mm 7.4 mm
M 30.5x0.5 32 mm 26.7 mm 7.4 mm
M 35.5 x0.5 37 mm 31.7 mm 7.4 mm
M 37.0x0.75 38.5 mm 32.7 mm 7.4 mm
M 40.5x0.5 42 mm 36.7 mm 7.4 mm
M 43.0x0.75 44.5 mm 37.7 mm 7.4 mm
M 46.0x0.75 47.5 mm 41.7 mm 7.4 mm
M 49.0x0.75 50.5 mm 44.7 mm 7.4 mm

 

SN2 Filter-Mount

DH-Mount

Schneider-Kreuznach offers a variety of mounts for polarizers with common thread sizes to fit on most camera lens systems. The DH-Mount is rotatable to adjust polarization axis in the required orientation. Filters are held by retainer rings.

All DH-Mounts have a female and male M-thread and can be stacked if several filters must be combined.

Key features:
Rotatable
Stackable
Black Anodized Brass

Applications:
Mounted on lenses in imaging applications
Mounted on measurement instruments

Thread Diameter Clear Thickness
Aperture
M 25.5x0.5 27 mm 20.8 mm 9.2 mm
M 27.0x0.5 28.5 mm 21.8 mm 9.2 mm
M 30.5x0.5 32 mm 25.8 mm 9.2 mm
M 35.5 x0.5 37 mm 30.8 mm 9.2 mm
M 37.0x0.75 38.5 mm 31.8 mm 9.2 mm
M 40.5x0.5 42 mm 35.8 mm 9.2 mm
M 43.0x0.75 44.5 mm 37.8 mm 9.2 mm
M 46.0x0.75 47.5 mm 40.8 mm 9.2 mm
M 49.0x0.75 50.5 mm 43.8 mm 9.2 mm
M 52.0x0.75 53.5 mm 46.8 mm 9.2 mm
M 55.0x0.75 56.5 mm 49.8 mm 9.2 mm
M 58.0x0.75 59.5 mm 52.8 mm 9.2 mm
M 62.0x0.75 63.5 mm 56.8 mm 9.2 mm
M 67.0x0.75 68.5 mm 61.8 mm 9.2 mm

 

DH Filter-Mount



 

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