# Photonics Calculator

> THz, optics, laser, RF and NDT calculators for engineers and researchers.

Canonical page: [https://chrome-stats.com/d/com.sade.photonicscalculator](https://chrome-stats.com/d/com.sade.photonicscalculator)

## Overview

- **ID:** `com.sade.photonicscalculator`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** SaDe Techs
- **Category:** TOOLS
- **Downloads:** 23
- **Version:** 2.7.1
- **Last updated:** 2026-06-07
- **First published:** 2026-05-01
- **Publisher country:** IN
- **Size:** 33 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.sade.photonicscalculator)
- **Website:** [https://photonics-calculator.web.app](https://photonics-calculator.web.app/)
- **Privacy policy:** [https://sites.google.com/view/photonics-calculator/home](https://sites.google.com/view/photonics-calculator/home)

## Description

Photonics Calculator is a scientific calculator app for THz, optics, laser, RF, spectroscopy and NDT-related calculations.<br><br>The app is designed for students, researchers, engineers and laboratory users who need quick reference calculations in photonics and material characterization.<br><br>Key tools include:<br>• THz frequency, wavelength, wavenumber and photon energy conversion<br>• Time delay and reflection-mode thickness estimation<br>• Refractive index calculation from time delay and sample thickness<br>• Absorption coefficient approximation<br>• FMCW range resolution calculator<br>• Laser pulse energy and fluence calculator<br>• Photon energy calculator<br>• Gaussian beam calculator<br>• dB calculator<br>• Frequency-to-wavelength calculator<br><br>Features:<br>• Formula explanation for each calculator<br>• Instant result preview<br>• Editable stepper input for quick adjustment<br>• Manual keypad input support<br>• Copy and share results<br>• Clean category-based interface<br><br>Disclaimer:<br>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.

## Rankings

- #2,553,852 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.sade.photonicscalculator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.sade.photonicscalculator)