Steep Long Pass Filter

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Home  Products 

Longpass Filter

 Steep Long Pass Filter

Steep Long Pass Filter

Grand Unified Optics provides two versions of 12.5mm and 25mm packaged and unpackaged steep long-pass filter standards with a wavelength of 488nm-1064nm laser wavelength. The filter has a high laser damage threshold, The characteristics of deep cut-off depth and steep transition from reflection to transmission are widely used in microscopic imaging, Raman spectroscopy, biochemical analysis instruments, life sciences, education and scientific research and other related fields. We can also offer custom coatings according to your requirements.

Material Fused Silica

Diameter Tolerance ＋0.0/-0.1mm

Mount Thickness 3.5mm

Substrate Thickness 2.0mm

Thickness Tolerance ±0.1mm

Surface Quality 60-40

AOI 0±2°

Clear Aperture ≥10mm（Φ12.5mm） ≥22mm(Φ25mm)

Laser Damage Threshold 0.5 J/cm²@266 nm (10 ns pulse width)

Note Arrow on ring indicates preferred direction of propagation of light.

Laser Damage Threshold 1 J/cm²@532 nm (10 ns pulse width)

Products Spectral curve Related Download

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Parameter

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Laser Wavelength

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Transmission Band

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Price

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208656

Parameter list

Φ12.5mm(Mounted)

488nm

4.9nm

Tavg＞93%@494.3-1100.8nm

Consult



$254.17



208657

Parameter list

Φ12.5mm(Mounted)

532nm

5.3nm

Tavg＞93%@538.9-1200nm

Consult



$254.17



208658

Parameter list

Φ12.5mm(Mounted)

632.8nm

6.3nm

Tavg＞93%@641-1427.4nm

Consult



$254.17



208659

Parameter list

Φ12.5mm(Mounted)

785nm

7.9nm

Tavg＞93%@795.2-1770.7nm

Consult



$254.17



208660

Parameter list

Φ12.5mm(Mounted)

830nm

8.3nm

Tavg＞93%@840.8-1872.2nm

Consult



$254.17



208661

Parameter list

Φ12.5mm(Mounted)

1064nm

10.6nm

Tavg＞93%@1077.8-2000nm

Consult



$254.17



208662

Parameter list

Φ12.5mm

488nm

4.9nm

Tavg＞93%@494.3-1100.8nm

Consult



$254.17



208663

Parameter list

Φ12.5mm

532nm

5.3nm

Tavg＞93%@538.9-1200nm

Consult



$254.17



208664

Parameter list

Φ12.5mm

632.8nm

6.3nm

Tavg＞93%@641-1427.4nm

Consult



$254.17



208665

Parameter list

Φ12.5mm

785nm

7.9nm

Tavg＞93%@795.2-1770.7nm

Consult



$254.17



208666

Parameter list

Φ12.5mm

830nm

8.3nm

Tavg＞93%@840.8-1872.2nm

Consult



$254.17



208667

Parameter list

Φ12.5mm

1064nm

10.6nm

Tavg＞93%@1077.8-2000nm

Consult



$254.17



208668

Parameter list

Φ25mm(Mounted)

488nm

4.9nm

Tavg＞93%@494.3-1100.8nm

Consult



$492.50



208669

Parameter list

Φ25mm(Mounted)

532nm

5.3nm

Tavg＞93%@538.9-1200nm

Consult



$492.50



208670

Parameter list

Φ25mm(Mounted)

632.8nm

6.3nm

Tavg＞93%@641-1427.4nm

Consult



$492.50



208671

Parameter list

Φ25mm(Mounted)

785nm

7.9nm

Tavg＞93%@795.2-1770.7nm

Consult



$492.50



208672

Parameter list

Φ25mm(Mounted)

830nm

8.3nm

Tavg＞93%@840.8-1872.2nm

Consult



$492.50



208673

Parameter list

Φ25mm(Mounted)

1064nm

10.6nm

Tavg＞93%@1077.8-2000nm

Consult



$492.50



208674

Parameter list

Φ25mm

488nm

4.9nm

Tavg＞93%@494.3-1100.8nm

Consult



$492.50



208675

Parameter list

Φ25mm

532nm

5.3nm

Tavg＞93%@538.9-1200nm

Consult



$492.50



More products >>

Curve download

Ultrasteep Long Pass Filter

High Performance Shortpass Filter

Economical Shortpass Filter

Dichroic Longpass Filter

We offer two catalogs to you: product catalog and Imaging optics catalog.

Product catalog:
This catalog include optical components, laser components, opto-mechanics, lenses and light sources, measuring instruments, and optical materials. In additional, we also provide large-size ultra-precision planar optical, spherical optical, aspheric optical, imaging lens, and precision angle component customized design and processing.

Imaging optics catalog:
This catalog include fixed focal lens, telecentric lens, zoom lens, line scan lens, short wave near infrared lens (SWIR), 360°outer surround view lens, VIS-NIR lens, relay lens , teleconverter, etc. In additional, we also provide lens design and development service.

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