The OPTOStokes CY5.5 Fluorescence Filter Set is engineered for optimal performance in the near-infrared (NIR) spectrum, critical for the detection of the CY5.5 fluorophore and similar dyes used in highly sensitive bio-instrumentation. This matched set provides precise 675nm filter excitation and 725nm emission capture, delivering superior signal isolation and high throughput for demanding applications like multiplex qPCR and in vivo imaging.
Technical Specifications
Each component features robust, hard optical coating for spectral stability and includes deep out-of-band blocking to maintain excellent signal-to-noise ratio in multi-channel systems.
| Component | Model | Center Wavelength (CWL) | FWHM | Transmission | Blocking (OD) |
|---|---|---|---|---|---|
| Excitation | BP675-20nm | 675 ± 2nm | 20 ± 2nm | Tave > 90% (670-680nm) | ODave ≥ 6 (350-655nm) ODave ≥ 6 (695-800nm) OD > 3 (800-1050nm) |
| Emission | BP725-30nm | 725 ± 2nm | 30 ± 2nm | Tave > 90% (715-735nm) | ODave ≥ 6 (350-700nm) ODave ≥ 6 (752-830nm) OD > 3 (830-1050nm) |
| Dichroic | DM700 | Cut-on ~700nm | N/A | T > 95% (715-850nm) | T < 2% (430-685nm) @ 45° AOI |
High-Reliability NIR Applications
This dedicated infrared filter set is essential for maximizing detection sensitivity across numerous life science and diagnostic platforms:
- Quantitative PCR (qPCR): Utilizing the CY5.5 channel for multi-color gene expression and pathogen detection.
- In Vivo Imaging: High-penetration NIR detection where minimized auto-fluorescence and crosstalk are critical.
- Fluorescence Microscopy: Advanced imaging of near-infrared probes.
- High-Throughput Screening (HTS): Reliable performance in automated diagnostic analyzers.
Engineering Reliability: Customization & Service
OPTOStokes is a trusted partner for engineers and purchasing managers globally. We deliver high-performance optical filter solutions with guaranteed quality and predictable delivery schedules.
- Flexible Customization: We support modifications to CWL (400nm-850nm) and FWHM (10nm-60nm), along with custom dimensions and thickness (1.0mm, 1.1mm) to fit any system design.
- Unmatched Blocking: Our core expertise is ODave ≥ 6 blocking across the 350-800nm range, guaranteeing background light rejection.
- In-Stock & Quality Assurance: Benefit from our extensive selection of ready-to-ship filters, backed by world-class precision manufacturing.
Minimize technical risk and streamline your procurement. If your project requires tight tolerances or specialized custom coatings, contact our technical team at sales@optofilters.com for expert support and a fast quotation.
