Product Name
LPF540 High Quality Long Pass Filter, Quartz Substrate
Core Optical Parameters
• Model: LPF540
• Cutoff Wavelength: 540nm
• Substrate Material: Quartz Glass
• Thickness: 2mm
• Blocking Depth: OD6
• Transmittance: T＞90%
• Blocking Band: 200nm ~ 530nm
• Transmission Band: 550nm ~ 900nm
• Incident Angle: 0°
Available Sizes
Custom circular and rectangular blank cutting available. Threaded mounting rings can be customized upon request.
Key Advantages
1. Quartz glass substrate, excellent heat resistance, suitable for high-temperature optical environments
2. Steep transition edge, narrow transition zone between stopband and passband
3. OD6 ultra-deep blocking to thoroughly suppress stray light and background interference
4. High transmittance >90% in passband, hard vacuum coating with stable performance
5. Low fluorescence substrate, ideal for sensitive spectroscopic detection
Typical Application Scenarios
Raman spectroscopy, fluorescence detection, precision optical instruments,
biochemical analysis, laboratory optical experiments, spectral measurement equipment.
Custom Service Notice
We support custom dimensions, alternative thickness and cutoff wavelength customization.
Please contact customer service to confirm specifications before ordering. Mounted filter holders are available separately.