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This section provides an overview for emccd cameras as well as their applications and principles. Also, please take a look at the list of 9 emccd camera manufacturers and their company rankings. Here are the top-ranked emccd camera companies as of March, 2025: 1.ASP Lasor Inc., 2.Axiom Optics Inc, 3.Nuvu Cameras.
Table of Contents
EMCCD Cameras are CCD cameras that are capable of detecting faint light using an Electron Multiplying CCD element.
When detecting light with a normal CCD camera, a certain amount of bright light is required. When light is converted into an electrical signal, a certain amount of noise (unwanted information other than light) is added.
Even if faint light is converted into an electrical signal, it is buried in the noise and does not produce an image of sufficient intensity. EMCCD Cameras are able to detect faint light because the CCD sensor has an electronic doubling function when detecting light and converting it into an electrical signal.
The main applications for EMCCD Cameras are microscopes and telescopes. The observation area in a microscope is very narrow, and the brightness of the observation area is enhanced by an aperture and a reflector, but the amount of light is insufficient when captured by an ordinary CCD camera.
Therefore, the electrical signals converted from light are buried in noise.
On the other hand, EMCCD Cameras can convert and amplify faint light into electrical signals of sufficient intensity.
EMCCD Cameras are also used to compensate for the low light intensity when photographing faint celestial objects through a telescope.
A CCD is a Charge-Coupled Device that converts light into electrical signals. While silver halide film is used in the light receiving part of conventional silver halide cameras (cameras that use film), CCD sensors are used in the light receiving part of many digital cameras.
A CCD sensor consists of small elements (photodiodes) called pixels. The photodiode converts light into an electric charge, and the CCD sensor outputs the charge as an electric current to produce an image.
The electrical signals are affected by noise when the electric current is applied, and therefore, with weak light, the electrical signals are buried in the noise and an appropriate image cannot be obtained. Therefore, the EMCCD sensor doubles the electric charge converted from light to a level unaffected by noise.
By doubling the charge, the electrical signal is also doubled, so the output image is sharper and clearer. In this way, EMCCD Cameras can be used in microscopes, telescopes, and other applications that require the detection of faint light to obtain images with sufficient shading to be of practical use.
Potential wells are created by applying different voltages to electrodes on the surface of the silicon substrate of the CCD sensor. When light is received by the CCD sensor unit, a charge is generated due to the photoelectric effect.
After the charge is captured in the potential well, it is digitized by an AC converter in a normal CCD. On the other hand, in an EMCCD, the charge is transported to the gain register for charge doubling before digitization.
The gain register is a mechanism that doubles the charge sent from the CCD sensor section. It makes use of the phenomenon (impact ionization phenomenon) in which a high electric field is applied during electron transfer to create a new electron-hole pair in a high-energy state.
EMCCD noise is classified into the following four categories, each of which requires countermeasures:
This is noise resulting from variations in the sensitivity of each pixel in the CCD sensor.
This is noise that depends on the number of photons incident on the CCD sensor. As the number of photons increases, shot noise also increases.
The current generated in the CCD sensor in the absence of photon input is called dark current. Dark shot noise is noise caused by dark current, and dark shot can be reduced by reducing dark current.
Readout noise is a noise that originates from the hardware that makes up the camera, including the CCD sensor.
*Including some distributors, etc.
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Axiom Optics Inc., established in 2010 and situated in Massachusetts, United States, is a supplier of specialized cameras and optical instrumentation. The company sources infrared cameras, scientific cameras, hexapods, and laser beam diagnostics. It also procures spectroscopy, light microscopy, laser sources, and wavefront metrology and adaptive optics. The variant of its infrared cameras, short-wave infrared cameras, detect photons with wavelengths between 900 nm and 2500 nm and require sensors capable of imaging beyond the upper limit of silicon.
Hamamatsu Photonics K.K., established in 1953 and headquartered in Hamamatsu, Japan, is a manufacturer of sensors and emitters for both visible and invisible light. It stocks products like LEDs, lamps, and photodiodes used in several industries, including consumer electronics, dental imaging, and environmental monitoring. The sensor and light source components are also available as modules and units that can be incorporated into systems the company develops, like optical measurement systems or imaging systems. The ISO 9001-certified company stocks over 15,000 devices, units, and systems that ship to over 100 destinations worldwide, and it has ten research and production bases.
Raptor Photonics, Ltd, established in 2006, is a Northern Ireland based ISO 9001:2015 certified designer and manufacturer of next generation low light level digital cameras designed for use in mission critical equipment, in both medical and surveillance applications. The company offers various products, including the Owl 1280 Vis-SWIR camera, which won the 2020 Laser Focus World Innovators Awards, X-ray cameras optimized for high-energy/X-ray detection, as well as custom OEM camera solutions for applications by instrumentation companies in aerospace, scientific, and industrial sectors.
Teledyne Princeton Instruments (TPI), founded in 1981 as Princeton Instruments (PI) and currently a subsidiary of Teledyne Digital Imaging US, Inc., is an American manufacturer based in Trenton, New Jersey, specializing in digital imaging technology. The company’s portfolio includes spectrometers, used to separate and measure spectral components of a physical phenomenon. It also supplies diverse camera types, such as charge-coupled devices (CCDs), electron-multiplying CCDs (EMCCDs), complementary metal oxide semiconductors (CMOSs), and InGaAs (indium gallium arsenide). Additionally, the company offers accessories for cameras and spectrometers, along with certain interfaces. High-precision mirrors and coatings, from Acton Optics & Coatings, are also available.
Nuvu Cameras, established in 2010 and based in Montreal, Quebec, Canada, is a manufacturer and supplier of EMCCD cameras. The company's product lineup includes EMCCD Cameras, CCD Cameras, Controllers, Additional Imaging Options, and Custom Solutions. These cameras are utilized in different applications such as Adaptive Optics, Industrial Quality Control, Life Science, Quantum Physics, and Night Vision. The company also provides services like Space-Based Solutions, Custom Detector Packaging, Software Development, and EMCCD Tutorials.
Tokyo Instruments, Inc., established in 1981, and headquartered in Tokyo, Japan, is a manufacturer of opto-electronics products and systems. The company offers a wide range of products, including laser processing machines, aligning systems, photodetectors, analyzers for photoelectron spectroscopy, and spectroscopy array detectors. Also offered are high-speed, high-sensitivity cameras in UV to IR, and photon detectors or counters. The company's product families consist of the Nanofinder series of 3D Laser Raman Microspectroscopy systems and the iDus Workhorse laboratory and OEM CCD platform for low-light spectroscopy.
ASP Lasor Inc., founded in 2009 and based in Canada, is a supplier of photonic devices, NDT Sensors, and Laser Blast cleaning systems. The company products include lasers, micro& nanotech, spectroscopy and opto-mechanics. The company works with excellent partners internationally and has resellers in many nations. The company's goods are utilized in the automotive, agricultural, food processing, and defence sectors. Since 2017, the major conservation projects in North America and Canada have utilised ASP's Laser Blast Cleaning systems.
Oxford Instruments is a UK supplier of high technology and products, specializing in making tools and systems for industry and research, was founded in 1959 as a spin-off from Oxford University by Martin Wood. The company has sites in the UK, US, Europe, and Asia. It sells and supports high technology solutions for applications such as semiconductors, communications, life sciences, quantum technology, and space science. Its businesses image, analyze and manipulate materials down to the atomic and molecular level, enabling its customers to accelerate their R&D, increase productivity and make new scientific discoveries.
Ranking as of March 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | ASP Lasor Inc. |
21.2%
|
| 2 | Nuvu Cameras |
18.6%
|
| 3 | Axiom Optics Inc |
16.8%
|
| 4 | Raptor Photonics Limited |
10.6%
|
| 5 | Hamamatsu Photonics K.K. |
8.8%
|
| 6 | Teledyne Princeton Instruments |
7.1%
|
| 7 | Oxford Instrument |
6.2%
|
| 8 | Oxford Instruments |
5.3%
|
| 9 | Tokyo Instruments, Inc |
5.3%
|
Derivation Method
The ranking is calculated based on the click share within the emccd camera page as of March 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
Japan
|
2 | 33.3% |
|
Canada
|
2 | 33.3% |
|
United States of America
|
1 | 16.7% |
|
United Kingdom
|
1 | 16.7% |
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