Tech Imaging Services Experts in High-Speed Imaging & Hyperspectral Cameras

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A World of Possibility

Racehorse photo by Eadweard MuybridgeRacehorse photo by Eadweard Muybridge

High speed imaging technology has come a long way in its nearly 150-year history. Take that in for a moment. While the average individual would likely guess, given the opportunity, that high speed imaging technology has been around for less than 50 years, it was actually developed in the late 19th century. The very first application of high speed camera capabilities came in 1878. A man named Eadweard Muybridge used early high speed imaging capabilities to determine if a horse's feet were all off the ground simultaneously during a gallop.

Over the course of the next 150 years, high speed cameras were used to capture the first supersonic flying bullet (1886), applied to weapons development science (1916), and to study relay bounce (1930s). Today's high speed cameras use digital high speed video to capture a variety of images. The potential applications for high speed imaging are nearly boundless, from studying animals in flight to researching the impact on the human body during automotive collisions, high speed cameras can unlock the mysteries of the world which the naked eye cannot capture and process fast enough.

 

What Makes High Speed Imaging Important?

The use of high speed cameras to capture digital high speed video isn't about capturing an amazing image, it's about improving human knowledge of the inner workings of the world. High speed cameras have the capacity to record the details of rapid mechanical movements and replay them in slow motion. From applications where high light sensitivity is required to those in which high g-force and vibration are present, digital high speed video slows down countless processes to a speed that allows for greater study in government applications, military development and testing, and academic research taking place in university labs around the globe.

 

Research & Development

Statistics gathered from High Speed footage. Statistics gathered from High Speed footage.

For example, when new products are being designed and tested for everyday use, high speed cameras can help developers look for weaknesses in areas such as crack propagation or fracture lines. When dropping a test product from a certain height or forcing a rupture under intense pressure, digital high speed video can help researchers analyze the point at which cracks/ruptures occur, how they occur and worsen, and that data can then be used to go back to the drawing board an improve the product in question.The development and production of new products, from consumer goods to military hardware, requires keen observation. When the speed of processes is too fast for the human eye to capture and the mind to analyze, high speed imaging is vital because it enables researchers, scientists, and engineers to visualize and study movements that cannot be viewed adequately in real time.

View our recommended high speed camera for this application, the Photron FASTCAM Mini AX200.

 

Ballistics, Impact Physics, & Detronics

Study of projectile fragmentation. Study of projectile fragmentation.

Government agencies and military forces have long used high speed imaging to improve knowledge and performance of ballistic weapons, while also gaining greater insight into impact physics. High speed cameras have been used, as just one example, to not only study bullets in flight but also to capture video of high-velocity rounds exiting rifle muzzles. The goal in ballistics studies is to better understand velocity, movement through the air, accuracy, and effectiveness of ammunition.

From a protection standpoint, military forces can improve upon blast protection in armored vehicles and personal body armor by studying impact physics. Explosions occur in the blink of an eye, leaving researchers with only the aftermath to study if high speed imaging is not available. The presence of high speed cameras delivers a frame-by-frame analysis of ballistic impacts and explosions to help advance knowledge of armor development.

View our recommended camera for this application, the Photron FASTCAM SA-Z.

 

Airborne Weapon Separation Testing

Airborne Weapon Separation Testing

Airborne high speed camera applications beyond normal lab environments (shocks, vibration, dust, temperature, etc.) require unique compact, portable ruggedized high speed imaging solutions.  Customized high speed cameras for airborne weapon systems, airborne manned-&-unmanned aerial vehicles (UAVs), are built within airtight housings and certified according the toughest MIL 810 / DO 160 / MIL 461 standards for military and civil aircrafts.  High speed digital camera systems for airborne applications can record multiple sequences, store data in the camera’s built-in non-volatile memory, and provide data for later motion analysis in the lab.  There are other high speed camera models that are capable of providing the data to be streamed to a controller, and are ready for analysis either after the mission on the ground, or for transfer via interfacing to the onboard telemetry link to ground station.

View our recommended AOS brand high speed imaging cameras for this application.

 

Automotive Crash Testing

High speed photos of airbag release.High speed photos of airbag release.

Arguably one of the most important applications of high speed imaging technology in the consumer world has come from the field of automotive crash testing. The effectiveness of everything from seat belt design to airbag placement in vehicles has been improved constantly over time with the help of high speed cameras. Now, digital high speed video assists government research agencies and consumer protection entities in studying front, side, and rear impacts during automotive crash testing.

The purpose goes beyond the value and use of seatbelts or airbags. Automotive manufacturers are now held to higher standards when producing vehicle frames. High speed cameras enable researchers to analyze the performance of a vehicles frame and body shell during impact to assess the safety provided to consumers. This knowledge helps advance safety feature development and car design in the 21st century.

View our recommended Photron cameras for this application.

 

Materials Testing

Visual representation of data gathered from Compression testing.Visual representation of data gathered from Digital Image Correlation ( DIC )

Similar in nature to R&D, high speed imaging is used in materials testing to analyze the physical and/or mechanical properties of various materials and components. Examples of typical materials tests that use high speed cameras include:

  • Tensile testing
  • Drop testing
  • Compression
  • Deformation
  • Crush resistance
  • Delamination
  • Digital Image Correlation (DIC)
 

For example, high speed imaging has been used to study the performance of individual printed circuit boards (pcbs) inside a panel. High speed cameras were used to monitor the deformation of pcbs during the cutting process. Analysis enabled manufacturers to optimize cutting edges during design and minimize deformation, thereby reducing damage to components of the pcb and solder joints.

View our line of recommended cameras for this application, from Photron.

 

Fluid Dynamics

Image of a water crown formed from a droplet of water.Image of a water crown formed from a droplet of water.

The study and analysis of fluid dynamics is a difficult task. High speed cameras are often vital in measuring the complex behavior of liquids, gases, and plasmas in motion. In some cases, digital high speed video can lead to breakthroughs in fluid dynamics when it comes to medical research as well. For example, high speed cameras were used to prove that plasma in blood is a non-Newtonian fluid.

Prior to the use of high speed imaging in the study of human blood, it was assumed that red blood cells were the source of non-Newtonian characteristics in blood. At this stage in human knowledge, it was assumed plasma played no active role. The discovery of plasma's true role showed how it impacts the creation of vortices in blood as it moves, and how those vortices can lead to the formation of deposits on blood vessel walls. In short, high speed imaging provided valuable insight into blood-clot formation.

View our recommended Photron cameras for this application.

 

Combustion

>Examination of a cloud of ethanol vapor igniting.Examination of a cloud of ethanol vapor igniting.

Regardless of one's view on climate change, there is a lot that high speed imaging can do to help improve knowledge and understanding of combustion. As government agencies, and consumers, push for greater fuel efficiency in vehicles, high speed imaging technology is used to study the internal combustion engine and lead the way forward to the development of future fuels that burn cleaner and more effectively.

There's more to combustion studies and digital high speed video than fuel efficiency in cars though. Researchers at the University of Central Florida have used high speed imaging to study high-speed propulsion engines. One of the greatest challenges facing developers of these turbulent combustion engines is performance, specifically thrust and fuel efficiency. As a result of high speed cameras, more is known about how to increase thrust performance and fuel efficiency.

View our recommended camera for this application, the Photron SA-X2 high speed imaging camera.

 

Industrial

High Speed photo of a production line used for maintenance.High Speed photo of a production line used for maintenance.

High-speed cameras play a key role in analyzing and troubleshooting manufacturing processes and machinery, improving yields, reducing downtime and scrap, and improving overall product quality. Examples of diverse manufacturing industries that use high-speed cameras include:

  • Textile
  • Paper
  • Printing
  • Chemical 
  • Pharmaceutical
  • Bottling
  • Machinery
  • Electronics
 

View our recommended AOS brand cameras for industrial applications.