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Meet LinkSquare


Scan anything. Scan anywhere.

LinkSquare® is a smart handheld spectrometer born out of a mission to make infrared spectroscopy available for everyday use.

A product of accumulated experience in designing compact optics systems, LinkSquare can fit in your pocket, sit on your kitchen table, hit the road with you to wherever you want to take it.

When coupled with our machine learning algorithms, LinkSquare can help you make your own smartphone applications to solve the problems around you.

Simply scan an object of your interest with LinkSquare. You can check the quality of food, verify the veracity of product information, assess plant growth, and do so much more.

What makes LinkSquare unique


LinkSquare can bring the power of spectroscopy to everyday use.

LinkSquare is a smart spectrometer that shines bright light on to an object to determine its spectral fingerprint for material identification. As the world’s first portable, affordable, and accessible spectrometer, LinkSquare will bring the power of infrared spectroscopy to everyday use.

LinkSquare also offers AI services to help you create your own applications. Our proprietary machine learning algorithms are designed to detect differences in objects’ spectral fingerprints and determine a myriad of properties including but not limited to authenticity, identity, degrees of freshness, sweetness, and overall quality such as the grade of jewelry.

LinkSquare delivers this valuable lab science into the palm of your hand at an affordable price. Use a little help from LinkSquare and discover what is not seen in every corner of your life.

The possibilities are endless.

LinkSquare can reveal many properties of materials for you – freshness of a food, authenticity of medication, metal content, cocoa concentration and much more. You can use our pre-built applets in the LinkSquare app or make your own applets in the following areas:


What you can do with it



Luxury goods


Enhancing food safety with an easy systematic scanner.

Enhancing the drug delivery process and excluding dangerous counterfeit medication.

Enhancing existing expertise on the high-stakes quality control of luxury items.

Enhancing existing security measures in various fields.

▫ Food sorting
▫ Sweetness analysis
▫ Freshness analysis

▫ Counterfeit medication detection
▫ Medication identification
▫ Manufacturing process supervision

▫ Counterfeit detection
▫ Whiskey identification
▫ Gold purity analysis

▫ Counterfeit currency detection
▫ Security ink validation
▫ Illicit drug detection


What to get

LinkSquare offers different types of products and services to choose from.
Depending on what you want to do with the LinkSquare device, you can make a different choice.

Basic Package

SCAN an object




Professional Package

SCAN an object



MAKE your app

AI Platform

UPLOAD collected data

WAIT for analysis

DOWNLOAD your applet


Enterprise Solution

WE can collect data

WE can analyze data

WE can make your app

2211 Fortune Drive, Suite A, San Jose, CA 95131, U.S.A

[email protected]

Meet LinkSquare

What makes LinkSquare unique

What you can do with it

What to get