Coligh’s Standard 570nm Optical Bandpass Filter FWHM 10nm

The 570nm optical bandpass filter is designed to transmit visible light centered at 570nm with a Full Width at Half Maximum (FWHM) of 10nm. This filter provides precise wavelength selection, making it ideal for applications in imaging, spectroscopy, and biomedical fields where accurate isolation of yellow-green light is critical.

Standard Specifications:

• Type: VIS (Visible) Bandpass Filter, Interference Filter
• Coating Type: Hard-coated for enhanced durability and stability
• Center Wavelength (CWL): 570nm ± 2nm
• Angle of Incidence: 0° ± 5°
• FWHM: 10nm ± 2nm
• Blocking Range: 200nm – 1100nm
• Blocking Depth: OD4 – OD6 or higher for effective out-of-band light suppression
• Transmission Peak: > 90% at CWL
• Thickness: 1.0mm, 1.1mm
• Sizes Available: φ6mm, φ8mm, φ12.5mm, φ25.4mm, φ50mm (custom sizes square or round available upon request)
• Clear Aperture: > 90%
• Material: B270, Fused Silica for superior optical clarity

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Custom Options:

• Bandwidth: Additional FWHM options (e.g., 5nm, 8nm, 12nm, 15nm, 20nm, 25nm,30nm,35nm, 40nm) available upon request.
• Angle of Incidence: Adjustable for non-standard angles as required by the application.
• Blocking Depth: Custom options for OD2, OD3, OD4, etc., based on specific needs.
• Sizes: Round or square shapes, up to 150mm x 150mm.
• Material Thickness: Tailorable to project requirements.
• Transmission & Blocking Range: Customizable within 200nm to 1500nm.

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Applications:

• Color Imaging & Photography: Enhances the yellow-green spectrum for better color balance and precision.
• Fluorescence Microscopy: Ideal for isolating specific fluorescent dyes emitting in the yellow-green range, minimizing background noise.
• Spectroscopy: Provides high-resolution spectral filtering for accurate analysis and measurements.
• Optical Communication: Supports efficient data transfer in visible light communication systems by isolating specific wavelengths.
• Biomedical Imaging: Useful for detecting biological markers and enhancing contrast in medical diagnostics.
• Spectral Sensing: Optimizes environmental and material analysis by targeting the yellow-green wavelength.
• Lighting Applications: Suitable for specialty lighting systems that require precise control of the yellow-green spectrum.