Chlorophyll Absorption Analysis Enabled by Silicon-Rich Nitride-Based
  Concentric Ring Metalens

Khalilian, Alireza; Yu, Bowen; Yeganeh, Mehdi Sh.; Yi, Yasha

doi:10.48550/arXiv.2505.03759

Chlorophyll Absorption Analysis Enabled by Silicon-Rich Nitride-Based Concentric Ring Metalens

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posted on 2025-05-09, 16:00 authored by Alireza Khalilian, Bowen Yu, Mehdi Sh. Yeganeh, Yasha Yi

A silicon-rich nitride (SRN) concentric-ring metalens, operating at 685 nm, achieves measured numerical aperture of 0.5 and 36\% focusing efficiency, enabling metalens-based chlorophyll absorption analysis and plant health evaluation for the first time.

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Chlorophyll Absorption Analysis Enabled by Silicon-Rich Nitride-Based Concentric Ring Metalens

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