High Performance Narrow Band Bandpass Filter
Grand Unified Optics provides a standard product of high-performance narrow band pass filter with a diameter of 12.5mm and 25mm in package and unpackaged versions and a wavelength of 355nm-1064nm laser wavelength. The filter has a narrow bandwidth ( FWHM1.3nm~FWHM3nm), high transmittance (Tmax> 90%), deep cut-off depth (ODmax> 6), etc., which are widely used in microscopic imaging, 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
- DiameterTolerance ＋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 0.1J/cm2@532nm (10ns pulse width)
- Note Arrow on ring indicates preferred direction of propagation of light
CWL
FWHM(Nominal)
- 1.3 nm (typical);2.5 nm (maximum)
- 1.5 nm (typical);2.8 nm (maximum)
- 1.9 nm (typical);3.4 nm (maximum)
- 2.0 nm (typical);3.7 nm (maximum)
- 2.4 nm (typical);4.4 nm (maximum)
- 3.0 nm (typical);5.5 nm (maximum)
- 3.1 nm (typical);5.7 nm (maximum)
- 3.2 nm (typical);5.8 nm (maximum)
- 3.7 nm (typical);6.9 nm (maximum)
- 3.9 nm (typical);7.2 nm (maximum)
- 4.0 nm (typical);7.4 nm (maximum)
Pro No.
Parameter
Dia
CWL
FWHM(Nominal)
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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.
