Photonics Calculator

Photonics Calculator is a scientific calculator app for THz, optics, laser, RF, spectroscopy and NDT-related calculations.

The app is designed for students, researchers, engineers and laboratory users who need quick reference calculations in photonics and material characterization.

Key tools include:

• THz frequency, wavelength, wavenumber and photon energy conversion

• Time delay and reflection-mode thickness estimation

• Refractive index calculation from time delay and sample thickness

• Absorption coefficient approximation

• FMCW range resolution calculator

• Laser pulse energy and fluence calculator

• Photon energy calculator

• Gaussian beam calculator

• dB calculator

• Frequency-to-wavelength calculator

Features:

• Formula explanation for each calculator

• Instant result preview

• Editable stepper input for quick adjustment

• Manual keypad input support

• Copy and share results

• Clean category-based interface

Disclaimer:

This app provides approximate scientific calculations based on common formulas. It is intended for education, research and engineering reference use only. It is not a certified measurement device, medical device, safety tool or replacement for professional engineering judgement.