285nm Optical UV Bandpass Filter FWHM 10nm

The 285nm optical bandpass filter is engineered to transmit ultraviolet light centered at 285nm with a Full Width at Half Maximum (FWHM) of 10nm. This filter is ideal for applications requiring precise UV light control with high selectivity, such as in analytical instrumentation, fluorescence spectroscopy, and UV-based research.

Standard Specifications:

• Type: UV Bandpass Filter
• Center Wavelength (CWL): 285nm ± 2nm
• Angle of Incidence: 0° ± 5°
• FWHM: 10nm ± 2nm
• Blocking Range: 200nm – 700nm
• Blocking Depth: OD2, OD3, OD4, OD5, OD6, or higher
• Transmission: > 55% peak
• Thickness: 1.0mm, 1.1mm
• Sizes: Square or round (e.g., φ8mm, φ10mm, φ12.5mm, φ25.4mm, φ50mm) with optional mounting

Custom Options:

• Bandwidth: Customizable FWHM options available upon request (e.g., 12nm, 15nm, 20nm, 30nm, 40nm etc.).
• Angle of Incidence: Configurable based on application needs.
• Blocking Depth: Customizable to any OD level required.
• Sizes: Available in square or round formats, with maximum dimensions up to 150mm x 150mm.
• Material Thickness: Adjustable according to project requirements.
• Transmission & Blocking Range: Customizable to fit specific application needs, with blocking range options extending from 200nm to 2000nm.

Applications:

• UV Spectroscopy: Used in spectrometers for precise UV measurements in chemical and environmental analysis.
• Photochemical Research: Ideal for studies on the effects of UV light on materials and biological systems.
• Fluorescence Spectroscopy: Provides narrow-band UV light for exciting specific fluorophores in biological and chemical studies.
• UV Sterilization: Used in disinfection systems for sterilizing water, air, or surfaces with controlled UV light.
• Ozone Generation & Monitoring: Enables ozone production and accurate monitoring for air and water purification systems.
• Material Processing: Used in semiconductor and precision material processing applications like etching and lithography.
• Forensic & Security: Helps detect UV-reactive substances for forensic investigations and document verification.