PHOTONIC MONOGRAPH
Photonic Systems, Laser Kinematics & Waveguide Physics.
Single-mode optical fiber numerical aperture, Fabry-Pérot cavity resonance, and dielectric bandpass coating.
Waveguide Optics
Single-Mode Step-Index Optical Fibers: Numerical Aperture and Waveguide Modal Dispersion
How core-cladding refractive index differences confine the LP01 fundamental optical mode while suppressing higher modes.
8 min read • Verified Metric
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Laboratory Telemetry
1550 nm
Telecom Band
0.14 NA
Numerical Aperture
99.98%
Dielectric Refl.
CALIBRATED: 2026-10
Fabry-Pérot Cavity Resonators: Finesse Factors and Free Spectral Range Calculations
Multiple-beam interference between parallel high-reflectance mirrors for sub-gigahertz spectral resolution.
9 min read
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Quarter-Wave Dielectric Thin Films: Constructive Interference and Low-Loss Optics
Alternating layers of high (TiO2) and low (SiO2) refractive index oxides for near-zero reflectance laser surfaces.
7 min read
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Distributed Feedback (DFB) Laser Diodes: Bragg Grating Thermal Wavelength Tuning
How built-in corrugated refractive index gratings select narrow single-frequency emission with 0.1 nm/°C thermal sensitivity.
8 min read
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