Ground-breaking Technology. Superior Sensing Solutions.

Shop Our Full Suite of Ultrafield Quantum Sensors

The advanced materials science behind RAM Group ultrafield sensors allows them to detect critical intrinsic interactions, multiple fields, and specific targets in a single wafer–with exponentially greater sensitivity than current sensors.

ELECTRONIC TERAHERTZ SENSORS

GAS SENSORS

UV OPTICAL SENSORS

BIOMETRIC SENSORS

FLUID CHEMICAL SENSORS

ELECTRONIC & ELISA CELL SENSORS

PRESSURE & STRAIN SENSORS

Electronic Terahertz Sensors

Tunable Terahertz Detectors for Non-Destructive Imaging

Our new generation terahertz sensors for non-destructive and contactless sensing applications can detect and analyze target compounds through solid materials, such as walls, wood and glass. The sensor features an AlGaN/GAN HEMT oscillating plasmonic detector with tunable dual gate nanoparticle THz absorption layer. The detector surface absorbs low-energy THz radiation, which induces intraband transitions in the nanoparticle layer situated between the two gates on the sensing pixel. The THz detector is tuned to the specific THz frequencies and is ultra-sensitive with a higher resolution than standard sensors of its type.

Key Features and Benefits

  • Direct detection of concealed substances
  • THz detector with single-pixel or multi-pixel array
  • Dramatically simplified and inexpensive DC readout system or AC high frequency readout system
  • 3 to 4 orders of magnitude more sensitive for ultra-high resolution
  • Lower cost than existing THz detectors
  • Room temperature; no cooling required
  • Tunable frequency 0.3 THz to 100 THz range, the largest range reported for its kind
  • Multi-Pixel array; each pixel is only 25µm X 25µm in size
  • Each pixel can be tuned to specific THz frequency
  • All electronic; uses no optical components for detection of terahertz radiation

Ideal for

  • In-Line industrial process monitoring/QAQC
  • Food and Beverage QAQC
  • Security and Screening
  • Medical Diagnostics (IVD, dermatology, ex-vivo, imaging, immunoassay)
  • Supply Chain Monitoring
  • Pharmaceutical and Cosmetics
  • Environmental Monitoring
  • Semiconductor Manufacturing QAQC
  • Automotive inspection of rubber tire production; corrosion in metal parts.

Gas Sensors

Multi-function AlGaN/GaN 2DEG HEMT Chemical Sensor Based on Functional Nanoparticles

Indoor/Outdoor gas sensors that perform detection and quantification of gasses and other compounds with up to 50 times greater sensitivity. They enable the ability to detect with higher accuracy when a compound, such as pollutants, increases so that decisions can be made earlier. The surface of the sensor is functionalized with different types of nanoparticles that are chemically tuned for specific target molecules. Considerably lower cost and a small form factor, they require very little space and are easy to install into a variety of products and applications. Ultrafield and can be configured to detect and measure a multitude of compounds, such as NOx pollution, CO2, temperature, UV rays, Radon, pressure and humidity.

Key Features and Benefits

  • Sensitivities in single digit ppb and resolution of 1 ppb for NOx
  • Multi-functional/functionalized with any number of nanoparticles
  • Ultra-low power and long run life
  • Simple readout system
  • Extremely small form factor
  • Easy installation
  • Configured with target environmental parameters

Ideal for

  • Smart-City (Air Quality Monitoring)
  • Environmental Monitoring
  • In-Door Air Quality (home/office)
  • Industrial factory pollution output
  • Oil and gas production monitoring

UV Optical Sensors

Versatile Picosecond UV Detectors for Industrial and Biomedical Applications

Our multi purpose ultra-sensitive, ultra-small, and ultra-low power UV optical sensors have a detector surface with unique patterning and geometry for highest surface ratio to detection speed. The detector’s active area houses gaps for nanoparticles of different sizes and of different metals depending on the specific application. The surface plasmons generated by the nanoparticles act as an intrinsic amplification of the light signal and also enable faster signal capture of the light source while still working on low power and small size. The interaction between the optical elements and the plasmonic elements of the detector can be tuned to specific requirements depending on the application needs.

Key Features and Benefits

  • Picosecond Optical GaN Diode Enhanced by Plasmonic Nanoparticles
  • Sub nanosecond rise and fall time for extremely fast response.
  • Faster light extraction and higher resolution Pixel size between 1-5 µm
  • High temperature operation Single-pixel or multi-pixel array
  • High level of spectral selectivity and sensitivity for greater efficiency without filters
  • Maintaining effectiveness even in higher temperatures
  • Ultra-low power compared to standard PMT detectors
  • Exceptionally greater speed over a larger detection area
  • Modular design in an array format without sacrificing speed or sensitivity

Ideal for

  • UV spectrophotometers (liquid and gas quantitative analysis)
  • In-vitro assay (immunoassay/DNA)
  • X-ray, PET, CT diagnostic equipment (medical imaging)

Biometric Sensor

Quantum Cardio-respiratory Monitor (qCRM)

The first clinically validated wearable sensor for full body monitoring of multi-parameter, medical-grade biometrics through a single-point sensor in a smart-watch or wearable device to enable real-time care decisions the minute they are needed. The solution enables continuous single point measurement of cardio-respiratory functions and vital parameters, including, but not limited to blood pressure, ECG, heart rate variability, heart rate, and breath rate. Ideal for numerous medical applications, including in- and out-patient settings, home, as well as emergency room, ambulance and primary care.

Key Features and Benefits

  • Detects multiple data points, including heart and organ functions, blood composition, respiratory functions and more
  • Continuous monitoring
  • Thousand times more sensitive than traditional sensors
  • Small and comfortable
  • Ultra-low power
  • Highest temperature capacity

Ideal for

  • Wearables
  • In- and Out-patient
  • ER rooms and ambulatory care
  • Primary care
  • Home health monitoring
  • Sport and fitness training

Fluid Chemical Sensor

Multi purpose, ultrafield liquid sensors that detect and quantify dissolved chemical compounds, such as oxygen, pH, CO2, ethanol, and more for next-level quality and control.

Key Features and Benefits

  • Single digit ppb sensitivity.
  • High accuracy and repeatability.
  • No biofouling
  • Non-hazardous and biocompatible
  • High durability

Ideal for

  • Beer, wine and spirits production monitoring
  • Beverage production monitoring
  • Water quality monitoring

Electronic and ELISA Cell Sensors

Double Ring Resonator Optical-Plasmonic Sensor

A multi-purpose electronic and ELISA cell sensor that detects biomarkers and other compounds in blood, urine and other fluids for next generation point-of-care and in-vitro diagnostics, as well as other home health applications. It features optical-plasmonic detection using functional plasmonic nanoparticles and analog signal readout by a simple DC electrical readout system.

Key Features and Benefits

  • Point-of-care diagnosis with ultra-fast results
  • Superior sensitivity requires only one drop of blood or fluid
  • Electrical signal readout eliminates need for complex and expensive optics
  • Faster reaction times for ELISA assay testing
  • Opto-electric detection principle enables a “label-free” assay format
  • Can be directly integrated into fluidic chip for cost effectiveness, small, disposable chip
  • Works with whole blood eliminating need to dilute samples
  • Small size, measuring no more than ⅓ of average shoe box
  • Functionalized nanoparticles are FDA and CE approved

Ideal for

  • Liquid biopsies
  • In-vitro diagnostics
  • Emergency room and ambulatory care
  • Out-patient and primary care
  • Pharmacies
  • Home-health monitoring

Pressure and Strain Sensors

Ultra-sensitive detection of pressure and strain changes in liquids or in air and small pressure changes on surfaces.

Our pressure and strain sensors measure the rate of change of velocity of a body as a vector with respect to its instantaneous rest frame. These sensors are widely used for detecting position, coordinates, orientation, vibration and shock. MEMES based pressure and strain sensors are also widely used in portable electronic devices and IoT devices due to their extremely small size.

Key Features and Benefits

  • Low cost, low maintenance
  • Dynamic pressure sensors
  • Easy implementation

Ideal for

  • Smart building applications
  • Structural integrity monitoring of buildings
  • Vibration detection
  • Monitoring of pipelines

Learn More About Ultrafield Sensing for the World’s Most Critical Applications

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