Ultrasteep Long Pass Filter
Grand Unified Optics provides standard products of ultra-steep long-pass filter with a diameter of 12.5mm and 25mm in packaged and unpackaged versions and a wavelength of 488nm-1064nm laser wavelength. The filter has a high laser damage threshold. The characteristics of deep cut-off depth and ultra-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.
Ultrasteep Long Pass Filter
Material Fused Silica
Diameter Tolerance +0.0/-0.1mm
Mount Tolerance 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 0.5J/cm2@266nm (10ns pulse width)
Note Arrow on ring indicates preferred direction of propagation of light.
Laser Damage Threshold 1J/cm2@532nm (10ns pulse width)
Pro No.
Parameter
Dia
Laser Wavelength
Transmission Band
Transition Width
Transition Width
Delivery time
Compare
Price
Purchase
Φ12.5mm(Mounted)
488nm
Tavg>93%@491.2-1100.8 nm
2.4nm
102cm^-1
Consult
$445.83
Φ12.5mm(Mounted)
532nm
Tavg>93%@535.4-1200 nm
2.7nm
90cm^-1
Consult
$445.83
Φ12.5mm(Mounted)
632.8nm
Tavg>93%@636.9-1427.4 nm
3.2nm
79cm^-1
Consult
$445.83
Φ12.5mm(Mounted)
785nm
Tavg>93%@790.1-1770.7 nm
3.9nm
63cm^-1
Consult
$445.83
Φ12.5mm(Mounted)
830nm
Tavg>93%@835.4-1872.2 nm
4.2nm
60cm^-1
Consult
$445.83
Φ12.5mm(Mounted)
1064nm
Tavg>93%@1070.9-2000 nm
5.3nm
47cm^-1
Consult
$445.83
Φ12.5mm
488nm
Tavg>93%@491.2-1100.8 nm
2.4nm
102cm^-1
Consult
$445.83
Φ12.5mm
532nm
Tavg>93%@535.4-1200 nm
2.7nm
90cm^-1
Consult
$445.83
Φ12.5mm
632.8nm
Tavg>93%@636.9-1427.4 nm
3.2nm
79cm^-1
Consult
$445.83
Φ12.5mm
785nm
Tavg>93%@790.1-1770.7 nm
3.9nm
63cm^-1
Consult
$445.83
Φ12.5mm
830nm
Tavg>93%@835.4-1872.2 nm
4.2nm
60cm^-1
Consult
$445.83
Φ12.5mm
1064nm
Tavg>93%@1070.9-2000 nm
5.3nm
47cm^-1
Consult
$445.83
Φ25mm(Mounted)
488nm
Tavg>93%@491.2-1100.8 nm
2.4nm
102cm^-1
Consult
$804.17
Φ25mm(Mounted)
532nm
Tavg>93%@535.4-1200 nm
2.7nm
90cm^-1
Consult
$804.17
Φ25mm(Mounted)
632.8nm
Tavg>93%@636.9-1427.4 nm
3.2nm
79cm^-1
Consult
$804.17
Φ25mm(Mounted)
785nm
Tavg>93%@790.1-1770.7 nm
3.9nm
63cm^-1
Consult
$804.17
Φ25mm(Mounted)
830nm
Tavg>93%@835.4-1872.2 nm
4.2nm
60cm^-1
Consult
$804.17
Φ25mm(Mounted)
1064nm
Tavg>93%@1070.9-2000 nm
5.3nm
47cm^-1
Consult
$804.17
Φ25mm
488nm
Tavg>93%@491.2-1100.8 nm
2.4nm
102cm^-1
Consult
$804.17
Φ25mm
532nm
Tavg>93%@535.4-1200 nm
2.7nm
90cm^-1
Consult
$804.17

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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