• Spectral transmission graph with a peak at around 900 nm on a white background
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BP905-20 Bandpass Filter(CWL=905nm,FWHM=20nm)

BP905-20 Bandpass Filter(CWL=905nm,FWHM=20nm)

PN:SO3010685

$50.00 USD
$50.00 USD
Sale Sold out
Shipping calculated at checkout.
Center Wavelength (CWL) // FWHM
Optical Density // Peak Transmission (Tpk)
Dimension

Versatile Near-Infrared Filter - BP905-20

Optimize your near-infrared applications with our BP905-20 bandpass filter, expertly engineered for versatile performance at 905nm. This high-quality filter combines a moderate 20nm full width at half maximum (FWHM) with reliable optical performance, making it the ideal choice for a wide range of NIR applications requiring balanced spectral selectivity and light throughput.

Balanced Performance:

  • Center Wavelength: 905nm - Optimal near-infrared positioning
  • Moderate Bandwidth: 20nm FWHM for versatile spectral coverage
  • Reliable Blocking: Effective out-of-band rejection for clean spectral isolation
  • NIR Optimized: Designed specifically for near-infrared applications
  • Versatile Design: Suitable for multiple application types and system configurations

Key Applications:

Perfect for near-infrared spectroscopy, optical communications, laser diode systems, and industrial sensing applications. The 905nm wavelength is particularly valuable for LIDAR systems, rangefinding applications, night vision technology, and NIR imaging systems where moderate spectral bandwidth provides optimal performance balance.

System Integration:

The BP905-20's moderate 20nm bandwidth makes it exceptionally versatile for systems requiring good light collection efficiency while maintaining adequate spectral selectivity. This balanced approach is ideal for applications where maximum signal strength is important but some spectral discrimination is still required.

Industrial Applications:

Widely used in industrial automation, quality control systems, and process monitoring where 905nm NIR wavelength provides excellent material penetration and detection capabilities. The filter's reliable performance characteristics make it suitable for continuous operation in demanding industrial environments.

Technical Advantages:

The 20nm bandwidth provides an excellent compromise between spectral selectivity and light throughput, making the BP905-20 ideal for applications where signal strength is critical but some wavelength discrimination is still necessary. This versatility makes it a popular choice for diverse NIR applications.

SyronOptics Quality:

Each BP905-20 filter undergoes comprehensive testing to ensure consistent center wavelength accuracy, reliable transmission characteristics, and effective blocking performance. Our manufacturing expertise ensures dependable performance across your entire range of near-infrared applications.

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 shop@syronoptics.com to get raw data.

Shipment & Delivery

For stocked products, shipment will usually be made within 5 working days after order.

For customized products, shipment will usually be made within 4-8 weeks after order.

Return & Refund

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

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

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 shop@syronoptics.com for details.

Optical dicing refers to precision cutting processes used to segment optical materials, particularly those with specialized coatings, into smaller functional components while maintaining their structural and optical integrity. In the context of optical coating flats (flat substrates like glass, fused silica, or semiconductors coated with anti-reflective, dielectric, or other optical layers), dicing ensures these coated substrates meet exact dimensional requirements for applications in photonics, lasers, sensors, and semiconductor devices.

Methods

  • Saw Dicing: Diamond-coated blades for clean cuts with minimal chipping.
  • Laser Dicing: Non-contact ablation for delicate or brittle materials, reducing mechanical stress.
  • Plasma Dicing: Dry etching for ultra-fine features, ideal for advanced semiconductor wafers.

Price

Dicing Service will generally cost from $50 to $125 per piece. Depending on the accuracy and size you are requesting.

Packaging

If you need generic packaging, please leave "Generic" in the note when placing order.

In such case:

  • No Branding information in Packaging Materials
  • All Documentation will be generic
  • We will send image of the parcel to you before fulfilling shipment
  • You can use your document template for the shipment.

Feel free to contact shop@syronoptics.com for details.

Payment

Payment could be done online with Credit Card, Apple Pay, Google Pay, Wechat Pay and Alipay

For amount under $200 you can request to make payment within 7days after receiving the order.

View full details

Fequently Asked Questions

What are the Thickness of the Optical Filters?

For Mounted Optics:

  • 6mm (by Default)
  • 3.5mm (Specified in Order Note)

For Unmounted Optics:

  • 0.5mm
  • 1.1mm
  • 2mm

(most of the unmounted optics are having thickness of 1.1mm ~ 2mm)

What is the difference between mountings?

Unmounted:

  • a bare glass optical filter

Mounted:

  • Smooth Mount for protection of the optics. No thread is there on the mount.

Metric Mount:

  • Start with M as prefix, usually seens as M25.5x0.5mm. Mostly used as camera filters

Imperial Mount (Usually Thorlabs):

  • Start with SM as prefix, usually seen SM1, SM05 etc... Mostly used in Optical system. (You will have a SM external thread to connecting to other objects)

C-Mount:

  • Very frequently used mounting. C-Mount is 1‘’-32TPI. And it is not the same thing as SM1, or M25.5x0.5mm.

Standard Mountings

Camera Mounting List

  • Our filters can be cut to match the mounting on the list. Please contact us for getting quotation.

Need any help?

Other Wavelength

UV Bandpass Filter (100-400nm)

VIS Bandpass Filter (400-800nm)

NIR Bandpass Filter (800-1400nm)