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    LP1400 Longpass Filter (T>85%@1420-1750nm, OD4@200-1380nm)

    LP1400 Longpass Filter (T>85%@1420-1750nm, OD4@200-1380nm)

    $50.00 USD
    $50.00 USD
    Sale Sold out
    Shipping calculated at checkout.
    Cut-on Wavelength
    Transmission // Blocking
    Dimension

    Specialized LP1400 Longpass Filter - Short-Wave Infrared (SWIR) Optical Filtering

    The LP1400 Longpass Filter is engineered for demanding short-wave infrared applications requiring precise wavelength separation at 1400nm. With reliable 85% transmission efficiency and superior OD4 blocking, this filter delivers exceptional performance for advanced SWIR optical systems and spectroscopy applications.

    Technical Specifications:

    • Cut-on Wavelength: 1400nm (T=50%)
    • Good Transmission: T>85% @ 1420-1750nm
    • Superior Blocking: OD4 @ 200-1380nm

    Key Applications:

    • SWIR Spectroscopy: Essential for short-wave infrared analysis and characterization
    • Telecommunications: Critical for fiber optic communication systems (1550nm band)
    • Material Analysis: Ideal for moisture detection and polymer identification
    • Semiconductor Testing: Perfect for silicon and compound semiconductor characterization
    • Biomedical Imaging: Optimal for deep tissue penetration studies
    • Industrial Sensing: Quality control and process monitoring applications

    Performance Features:

    • Sharp transition edge for precise 1400nm cutoff
    • Reliable 85% transmission minimizes signal loss in SWIR range
    • OD4 blocking provides excellent suppression of visible and NIR light
    • Optimized for SWIR spectrum (1420-1750nm)
    • Consistent performance across filter aperture
    • Low scatter for clean optical systems
    • Stable performance under varying environmental conditions

    Technical Advantages:

    • SWIR Optimized: Specifically designed for short-wave infrared applications
    • Superior Blocking: OD4 performance ensures complete rejection of unwanted wavelengths
    • Industrial Grade: Suitable for demanding optical environments
    • Telecommunications Compatible: Ideal for 1550nm communication systems

    Application Areas:

    • Fiber Optics: Telecommunications and data communication systems
    • Industrial Inspection: Non-destructive testing and quality control
    • Research: SWIR spectroscopy and optical characterization
    • Defense & Security: Surveillance and imaging systems

    Quality & Reliability:

    • Advanced coating technology for SWIR wavelengths
    • Rigorous quality control ensures specification compliance
    • Compatible with standard optical mounts and systems
    • Suitable for both research and industrial applications
    • Designed for high-power SWIR laser environments

    Perfect for: SWIR spectroscopy, telecommunications systems, material analysis, and advanced optical systems requiring precise short-wave infrared filtering with excellent blocking of visible and near-infrared wavelengths.

    Transmission & OD Data

    The transmission curve is typical. Actual data may vary from lot to lot, you can request the raw Transmission and OD data from us.

    Copy the link of the product page and send email to info@syronoptics.com to get raw data.

    Shipment & Delivery

    Shipment will usually be made within 5 working days after order.

    Delivery from local warehouse is available for below countries and region.

    1. USA
    2. UK
    3. Europe
    4. China
    5. Singapore

    To request shipment from local warehouse you need to provide your order number to order@syronoptics.com and inform us from which warehouse you want to initial the shipment.

    Return & Refund

    Stocked Product are eligible to return within 7 days after receiving.

    A flat rate of 35$ will be charged for returning.

    Payment Notice

    Payment could be done online with Credit Card, Apple Pay, Google Pay.

    Amount will not be deducted immediately after you authorized the payment. We will share raw data for confirmation by email, only after confirmation the amount will be deducted.

    For amount under $100 you can request to make payment within 7 days after received the product. (NET7)

    Custom Sizing

    Custom sizing is available for dimension under 60x60mm. Without mounting the thickness will generally ranging from 0.5-3mm.

    For bigger size, contact info@syronoptics.com for details.

    Custom Mounting

    We have filter mounting option including:

    • Threaded Mounting
    • Retaining Ring
    • Filter Wheel
    • Filter Cube
    • Filter Slide

    Buy in Bulk

    For order quantity (or equal coating size) above 100pcs x dia25mm filters. Discount will be available.

    Generally the discount will be ranging from 10 - 50% depending on the quantity and specification you are ordering.

    View full details

    FAQs

    What is the thickness of the filter?

    The substrate thickness may vary from 0.5 - 2.0mm. You can send email to us for requesting the detail information.

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