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EJEKT
Optical & Laser Science Calculators
Geometric Optics
Basic Lens Calculations
Thin Lens Formula
Single Lens Magnification Calculator
Lens Maker's Equation
Double Lens System
Mirrors & Prisms
Spherical Mirror Formula
Prism Deviation
Critical Angle & Total Internal Reflection
Lens Design & Aberrations
Spherical Lens Aberration Estimator
Laser Science
Photonics Basics
Photon Energy & Wavelength
Wavelength → Wavenumber → Frequency Converter
Beam Optics
Gaussian Beam Calculator
Fiber Coupling Efficiency Calculator
Laser Power Density
Coherence Length
Pulsed Laser Parameters
Pulsed Laser Fluence
Laser Pulse Peak Power
Q-Switched Pulse Energy
Mode-Locked Pulse Duration
Optical Cavities
Cavity Stability / g-factor
Resonator Mode Spacing (Free Spectral Range)
Cavity Finesse
Cavity Q-factor & Photon Lifetime
Optoelectronics
SNR Calculator
dB Gain/Loss Calculator