Fluorescence Bandpass Filter, Φ12.5mm (Mounted), FWHM=48.4nm, United Optical Technology Co., Ltd (CAT#: STEM-OP-3431-YJL)

Fluorescence Bandpass Filter, Φ12.5mm (Mounted), FWHM=48.4nm, model 199480, is manufactured by United Optical Technology Co., Ltd.
Fluorescence Bandpass Filters are ideal for fluorescence imaging applications. The transmission band of a bandpass filter is surrounded by two cutoff bands. It allows only part of the wavelengths in the spectrum to pass. It is often used to transmit a part of the spectrum while cutting off all other wavelengths.
Bandpass filters are suitable for a variety of applications such as spectroscopy, clinical chemistry or imaging. United Optical Technology has launched two standard fluorescent bandpass filters with diameters of 12.5mm and 25mm, packaged and unpackaged, and wavelengths of 340nm-850nm.

Diameter: Φ12.5mm (Mounted)
Center Wavelength(CWL): 435nm
Filter Thickness: 5.0mm
Clear Aperture: ≥10mm
Transmission Band: Tavg＞90%@415-455nm
Minimum Bandwidth: 40nm
FWHM (Nominal): 48.4nm
Blocking Band 1: ODavg＞5@200-403nm
Blocking Band 2: ODavg＞5@469-469nm
Blocking Band 3: ODavg＞5@469-505nm
Blocking Band 4: ODavg＞6@505-850nm
Blocking Band 5: ODavg＞2.5@850-925nm
Blocking Band 6: ODavg＞2@925-1100nm
Blocking Band 7: -
Blocking Band 8: -
Blocking Band 9: -
Blocking Band 10: -
Material: UV Fused Silica
Diameter Tolerance: +0.0/-0.1mm
Mount Thickness: 3.5mm
Substrate Thickness: 2.0mm
Substrate Thickness Tolerance: ±0.1mm
Surface Quality: 60-40
AOI: 0±5°
Note: Arrow on ring indicates preferred direction of propagation of light.

This filter has the characteristics of high transmittance and deep cut-off depth. It is widely used in fluorescence microscopy imaging, fluorescence optical instruments, life sciences, education and scientific research and other related fields.

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