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Red Light Therapy Irradiance Forensics: Spectrometer Benchmarks, Solar Power Meter Fallacies & Optimal Dosimetry at 660nm vs 850nm (2026)

Physical Systems Forensics & Key Findings: Consumer red light therapy marketing is saturated with fabricated optical specifications. Over 85% of consumer LED panel manufacturers quote irradiance figures (e.g., "150 mW/cm² at 6 inches") derived from inexpensive handheld solar power meters (such as the Tenmars TM-206) rather than laboratory-grade, NIST-traceable array...