Products

Narrowband filter

Narrowband filters are a type of bandpass filter. Those with a bandwidth of less than 20nm are usually called narrowband filters. The main function is to allow light of specific wavelengths to pass through and to reflect (or attenuate) light of other wavelengths. The half-wave width is usually controlled at 20nm or less. According to the wavelength range, there are ultraviolet, visible light, near-infrared wavelengths, and other bands. The products are mainly used in fluorescence analyzers, microplate readers, cable TV upgrade equipment, wireless transmission equipment, ink identification, and other equipment.

Key features include:

  • Spectral Precision

  • High Transmission Efficiency

  • Optical Density

  • Durability

  • Customization

Application Fields:

  • Astronomy

  • Medical Imaging

  • Spectroscopy

  • Laser Systems

  • Photography and Cinematography

  • Environmental Monitoring

Technical Considerations

  • Wavelength Accuracy: The central wavelength and the full width at half maximum (FWHM) need to be specified accurately for precise filtering.

  • Transmission Range: Consider the percentage of light transmission within the bandpass region versus the blocking range.

  • Angle of Incidence: Filters need to maintain performance over the intended range of incident angles to ensure consistent results.

  • Material Quality: The optical and physical properties of the materials used in the filter affect performance and durability.

  • Environmental Stability: The filter should perform reliably under different environmental conditions like varying temperatures and humidity levels.

China Star Optics has a proven R&D team and production department that can fulfill orders efficiently and with high quality.

Product performance

Spectral curve

Working Methods

  • Interference Filtering

  • Absorption Filtering

  • Dichroic Filtering

China Star Optics Product Advantages

  • High Selectivity

  • Low Signal Loss

  • Wide Application Range

  • Customization Flexibility

CHOOSE US

  • Precision machining, customized according to demand

    Precision machining, customized according to demand

    Strong production team, R & D team, strength guarantee.

  • Strict quality control system and inspection process

    Strict quality control system and inspection process

    Powerful after-sales service system, online all year round, the perfect answer to after-sales customer sales series of a quest.

  • Collaborative design, long term cooperation relationship

    Collaborative design, long term cooperation relationship

    ISO 9001 certified, RoHS compliant, quality reports available.

  • Sign NDA, drawings and customer information strictly confidential

    Sign NDA, drawings and customer information strictly confidential

    We consistently protect our customers' design information and other business information.

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