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Overview
The Nanowatt Signal Hunter: Capturing the Faintest Beams
The VL-IR-5070R is a specialized optical tool engineered for ultra-low signal detection. Breaking the sensitivity limits of traditional cards, it responds to both 400-640nm visible light and 800-1700nm Near-Infrared (NIR) beams.
Unlike standard real-time fluorescence cards, this model utilizes advanced electron-trapping phosphor materials. It requires "charging" with visible light (e.g., room light) before use to activate its detection state. When struck by IR beams, the stored energy is released as a bright orange-red glow (~580-750nm). This mechanism allows it to detect faint spots as weak as 175 nW/cm², making it the ultimate tool for telecom device testing, stray light analysis, and precision optical alignment.
Usage Note
⚠️ Note: This card is designed for low-power beams. The damage threshold is approx. 35 mW/cm² (pulsed). Do not use with high-power lasers to avoid burning the active layer.
Spectral Response Curve
Specifications
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Absorption Wavelength Range
Emission Wavelength Range
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