Ultra-Narrow UV Filter LTH365 | Precision Fluorescence Imaging & Biosensing | 365nm ±0.5nm | Extreme Signal-to-Noise Ratio
The LTH365 Ultra-Narrow Bandpass Filter is engineered for critical fluorescence detection applications demanding extreme wavelength precision and minimal background noise. Centered at 365nm with a rigorously controlled bandwidth of ≤2nm (FWHM), this filter isolates target excitation/emission wavelengths with unparalleled selectivity, enabling high-contrast imaging and ultra-sensitive quantification in biomedical research, diagnostics, and chemical analysis.
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LTH365 Ultra-Narrow Bandpass Filter: Unlock Crystal-Clear Fluorescence Signals
The LTH365 Ultra-Narrow Bandpass Filter is engineered for critical fluorescence detection applications demanding extreme wavelength precision and minimal background noise. Centered at 365nm with a rigorously controlled bandwidth of ≤2nm (FWHM), this filter isolates target excitation/emission wavelengths with unparalleled selectivity, enabling high-contrast imaging and ultra-sensitive quantification in biomedical research, diagnostics, and chemical analysis.
Key Features & Benefits:
✅ Ultra-Sharp Spectral Precision
→ Bandwidth: ≤2nm FWHM (configurable down to 0.5nm)
→ Center Wavelength (CWL): 365nm ±0.5nm
→ Eliminate crosstalk from adjacent wavelengths for pure signal capture.
✅ Superior Optical Performance
→ Peak Transmission: >90% at 365nm
→ Deep Blocking: OD6+ (0.0001% transmission) from 200-350nm & 380-1100nm
→ Maximize signal-to-noise ratio (SNR) even in low-light conditions.
✅ Robust Hard-Coated Durability
→ Ion-assisted deposition (IAD) coating on fused silica substrate
→ Laser Damage Threshold (LDT): >5 J/cm² @ 355nm, 20ns
→ Withstands intense UV light sources and harsh lab environments.
✅ Designed for Fluorescence Workflows
• Ideal for:
UV-Excited Fluorescence Microscopy (e.g., DAPI, Hoechst stains)
Flow Cytometry & Cell Sorting
DNA Sequencers & PCR Systems
Forensic Analysis & Pharmaceutical QC
• Compatible with LED/laser light sources (e.g., 365nm UV-LEDs, Nd:YAG harmonics).
Technical Specifications:
| Parameter | Value |
|---|---|
| Center Wavelength | 365nm ±0.5nm |
| FWHM Bandwidth | ≤2nm (Custom: 0.5-5nm) |
| Peak Transmission | >90% |
| Blocking Range | OD6+ (200-350nm & 380-1100nm) |
| Substrate | Fused Silica (Ø25mm default) |
| Surface Quality | 40-20 scratch-dig |
| Coating Type | Hard Dielectric (IAD Process) |
| Incident Angle | 0° (custom angles available) |
Why Choose LTH365?
*"In fluorescence detection, noise is the enemy. The LTH365’s razor-thin bandwidth and OD6+ blocking crush stray light interference, turning weak signals into actionable data."* — Dr. Elena Vargas, Bioimaging Lab Director