• Graph of transmission vs wavelength for a bandpass filter with peak at 10000 nm.
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BP10000-370 (10000nm CWL, OD2@400-16000nm, FWHM=370nm) Bandpass Filter

BP10000-370 (10000nm CWL, OD2@400-16000nm, FWHM=370nm) Bandpass Filter

PARTNUMBER:SO3020184

$10.00 USD
$10.00 USD
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Shipping calculated at checkout.
CWL \ FWHM \ Blocking
Peak Transmission
Size

In Stock.

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  • Wavelength: 10000nm center wavelength (CWL) for long-wave infrared applications
  • Spectral Features: FWHM = 370nm bandwidth for precise spectral isolation
  • Optical Density: OD2 blocking from 400-16000nm for superior out-of-band rejection
  • Filter Dimension Availability: Custom sizes available for research and industrial imaging systems
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  • BP10000-370 Bandpass Filter - Industrial Pyrometry & Thermography

    BP10000-370 Bandpass Filter - Industrial Pyrometry & Thermography

    Industrial Pyrometry & Thermography

    • Context: Used in non-contact temperature measurement sensors (pyrometers) for industrial furnaces, power equipment, or glass manufacturing.
    • Function: The 10 µm wavelength is ideal for measuring the temperature of objects near room temperature to medium heat (approx. -20°C to 500°C) because the peak thermal emission of these objects shifts into this region. It avoids interference from humidity (water vapor) which absorbs strongly at other LWIR wavelengths.

    Recommended Light Sources

    • Passive Target Radiation (Blackbody Emission): In this application, there is no external active light source; the target object itself acts as the source by emitting thermal radiation. The advantage is that this passive emission allows for non-contact measurement, while the specific 10 µm wavelength aligns with the peak emission of low-to-medium heat targets (-20°C to 500°C) and avoids signal attenuation from atmospheric humidity.
  • BP10000-370 Bandpass Filter - Gas Spectral Analysis (Reference Channel)

    BP10000-370 Bandpass Filter - Gas Spectral Analysis (Reference Channel)

    Gas Spectral Analysis (Reference Channel)

    • Context: Used in NDIR (Non-Dispersive Infrared) gas sensors.
    • Function: While many gases (like CO₂ at 4.26 µm) have absorption peaks elsewhere, the 10 µm region is often used as a Reference Channel. This band is relatively free of atmospheric absorption, allowing the system to establish a baseline signal intensity to compare against the absorption channel, correcting for light source drift or dust.

    Recommended Light Sources

    • Broadband IR Emitter (e.g., SiC Globar or MEMS): It provides continuous spectral output that covers both the target gas absorption wavelengths (e.g., 4.26 µm for CO₂) and the 10 µm reference band, ensuring that any fluctuation in source intensity affects both channels equally, which is essential for accurate differential measurement and drift compensation.

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