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LP830 Longpass Filter (T>90%@840-1200nm, OD4@200-815nm)

LP830 Longpass Filter (T>90%@840-1200nm, OD4@200-815nm)

Regular price $50.00 USD
Regular price Sale price $50.00 USD
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Cut-on Wavelength
Transmission // Blocking
Dimension

Professional LP830 Longpass Filter - High-Performance Near-Infrared Optical Filtering

The LP830 Longpass Filter is engineered for demanding near-infrared applications requiring precise wavelength separation at 830nm. With excellent 90% transmission efficiency and superior OD4 blocking, this filter delivers exceptional performance for advanced NIR optical systems across a broad spectral range up to 1200nm.

Technical Specifications:

  • Cut-on Wavelength: 830nm (T=50%)
  • High Transmission: T>90% @ 840-1200nm
  • Superior Blocking: OD4 @ 200-815nm

Key Applications:

  • NIR Fluorescence Imaging: Ideal for deep tissue imaging and biological studies
  • Semiconductor Inspection: Essential for silicon wafer analysis and quality control
  • Biomedical Imaging: Perfect for non-invasive medical diagnostics
  • Material Analysis: Optimal for polymer and pharmaceutical characterization
  • Laser Systems: Effective filtering for 808nm and other NIR laser applications
  • Industrial Sensing: Quality control and process monitoring

Performance Features:

  • Sharp transition edge for precise 830nm cutoff
  • High 90% transmission minimizes signal loss
  • OD4 blocking provides excellent background suppression
  • Broad spectral range from NIR to extended NIR (840-1200nm)
  • Consistent performance across entire filter aperture
  • Low scatter for clean optical systems
  • Stable performance under high-power conditions

Technical Advantages:

  • High Performance: Excellent 90% transmission efficiency
  • Superior Blocking: OD4 performance ensures excellent rejection of unwanted wavelengths
  • Research Grade: Professional quality for scientific applications
  • Versatile Range: Broad transmission window for diverse NIR applications

Application Areas:

  • Medical Devices: Non-invasive diagnostic and therapeutic systems
  • Industrial Inspection: Quality control and material characterization
  • Research: NIR spectroscopy and optical studies
  • Agriculture: Crop monitoring and food quality analysis

Quality & Reliability:

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

Perfect for: Near-infrared imaging systems, biomedical research, material analysis, and optical systems requiring high-performance NIR filtering with excellent transmission efficiency and superior visible light blocking.

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.

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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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