Advanced Sensors Applicable to various units

Our Advanced Sensors

At SPI Corp, we specialize in advanced thermal imaging and night vision technologies. Our offerings encompass a range of sensors, including Mid-Wave Infrared, Long-Wave Infrared, Electro-Optical, HD CMOS, CCD, Short-Wave Infrared with InGaAs detectors, and Near Infrared. We integrate these sensors into systems with single and double field of view cameras, day and night-time sensors, and optical zoom cameras, catering to diverse applications such as aerial surveillance, target identification, and industrial inspections.

Infrared Sensing Technologies

SPI Corp offers Mid-Wave Infrared (MWIR) and Long-Wave Infrared (LWIR) sensors that are essential in thermal imaging.

These sensors capture heat signatures and are extensively used in surveillance, security, and aerial platforms.

MWIR sensors are especially adept at detailed thermal imaging over long distances, while LWIR sensors are effective in detecting temperature differences.

Electro-Optical and Night Vision Technologies

Our Electro-Optical (EO) sensors are used in combination with infrared sensors to capture high-definition images in various light conditions.

We also offer High-Definition CMOS and CCD sensors that are used in long-range laser cameras.

For night vision capabilities, we have Short-Wave Infrared (SWIR) sensors with InGaAs detectors, and Near Infrared (NIR) sensors. These sensors are essential for operations in low light conditions and are integrated into night vision cameras and goggles.

Specialized Imaging Systems

At SPI Corp, we develop specialized imaging systems which include single and double field of view cameras, daytime and night-time sensors, and optical zoom cameras. These systems are geared towards specific applications such as target identification, industrial inspections, and aerial surveillance.

Additionally, we offer HOT SLS sensors for long-range detection and identification of targets, and long-range cooled MWIR sensors which are used in aerial platforms such as drones and UAVs for mapping, survey, and environmental monitoring.

Mid-Wave Infrared (MWIR) Sensors


640×480 pixels to 1920×1080

Subtle Differences

3-5 micrometers


Consistent in any environment

Mid-Wave Infrared (MWIR) sensors operate in the 3-5 micrometer wavelength range and are known for their ability to capture highly detailed thermal images.

This makes them particularly effective for applications that require precision, such as fault detection in machinery or human detection for security purposes. Their versatility allows them to be effective in both close-up and long-range applications, making them suitable for a broad spectrum of uses.

Furthermore, MWIR sensors offer reliable performance under different environmental conditions, ensuring stable and consistent imaging even in challenging scenarios. This reliability is crucial in applications such as surveillance, where the quality of the thermal image can be critical to the success of the mission.

LWIR Thermal Sensor

Find the right sensor

Long-Wave Infrared (LWIR) Sensors


  • Coverage: LWIR sensors are designed to detect thermal radiation in the wavelength range of approximately 8 to 14 micrometers.
  • Content: This wavelength range is particularly sensitive to the thermal radiation emitted by objects at room temperature, making LWIR sensors effective for detecting the presence of humans, animals, or machinery. Because of this, they are widely used in applications such as night vision, security, and surveillance.


  • Thermography: Used extensively for thermal imaging applications, LWIR sensors can visualize heat patterns, which is invaluable in identifying insulation leaks in buildings, or detecting overheating components in machinery.
  • Search and Rescue: The ability of LWIR sensors to detect heat signatures makes them indispensable in search and rescue operations, especially in adverse conditions where visibility is poor.


  • Versatility: LWIR sensors can operate in various environmental conditions, including darkness, smoke, fog, and dust, making them suitable for a wide range of applications.
  • Passive Operation: These sensors do not require any illumination to detect infrared radiation, which allows them to operate covertly without emitting any detectable energy.

EO (Electro Optical) Sensors

EO Sensors

Fundamentals of EO Sensors

Advanced research and development sensors

Types and Configurations

Coastal long range thermal solutions for NAVY

Applications and Use Cases

Advanced Sensors Applicable to various units

Infrared (IR) Sensors

The World Beyond Visible Light

High-resolution image showcasing the intricate design of the infrared sensor used in Apple Vision Pro's revolutionary eye-tracking system.

The Science Behind IR

Working Principle

M9 Ultra Long Range Cooled PTZ Camera

Types of IR Sensors

Drone with thermal camera controlling beginning of fire

IR Sensors in Various Applications


HD CMOS Sensors

HD CMOS sensors, the pinnacle of imaging technology, convert light into electrical signals for high-resolution and high-quality image and video capture.

With advanced features like enhanced light sensitivity and fast autofocus, these sensors are utilized in digital cameras, smartphones, surveillance systems, and medical imaging equipment.

Continuous advancements, including back-illumination and noise reduction algorithms, have further enhanced their capabilities. Discover how HD CMOS sensors have revolutionized the imaging industry, delivering stunning visuals with exceptional clarity and detail.

Thermal Imaging IN Search and Rescue

Working Principles of HD CMOS Sensors

HD CMOS sensors, or High-Definition Complementary Metal-Oxide-Semiconductor sensors, operate based on the principles of semiconductor technology.

These sensors consist of an array of photodiodes that convert incoming light into electrical signals. Each photodiode captures the intensity of light falling on its surface and converts it into an analog electrical charge.

This charge is then converted into a digital signal using analog-to-digital converters (ADCs). The resulting digital data can be processed and transformed into high-definition images or videos.

Uses and Applications

HD CMOS sensors are widely utilized in imaging devices that require high-resolution and high-quality visuals.

They are commonly found in digital cameras, camcorders, smartphones, surveillance systems, and medical imaging equipment. The high pixel density and enhanced light sensitivity of HD CMOS sensors enable the capture of detailed images and videos with improved color reproduction and dynamic range.

These sensors also offer advanced features such as fast autofocus, low-light performance, and high-speed continuous shooting, making them suitable for various professional and consumer applications.

Advancements and Features

The continuous development of HD CMOS sensors has led to significant advancements in imaging technology. These sensors now incorporate various features like back-illumination (BSI) technology, which enhances their light-gathering capabilities and low-light performance.

Additionally, advanced noise reduction algorithms and pixel-level color filters improve image quality and reduce noise in challenging lighting conditions. HD CMOS sensors also support advanced functionalities such as high frame rates, HDR (High Dynamic Range) imaging, and video stabilization, providing users with greater creative possibilities and enhanced imaging experiences.

HD CMOS sensors have revolutionized the digital imaging industry by delivering high-definition visuals with improved sensitivity, dynamic range, and image processing capabilities. They have become a crucial component in a wide range of imaging devices, enabling users to capture and share stunning images and videos with exceptional clarity and detail.

Advanced Sensors Continued

We have many more sensors including but not limited to the following

More Advanced Sensors

  1. CCD Sensors
  2. Short-Wave Infrared (SWIR) Sensors
  3. InGaAs Detectors
  4. Very Long-Wave Infrared (VLWIR) Sensors
  5. Laser Sensors
  6. NIR (Near Infrared) Sensors
  7. Single Field of View (FOV) Cameras
  8. Double Field of View (FOV) Cameras
  9. Daytime Sensors
  10. Night-time Sensors
  11. Various Strength Optical Zoom Cameras
  12. HOT SLS Sensors
  13. Long-Range Cooled MWIR 3000-5000 Nanometer Sensors