China VY Optics FOM1600 Night Vision Goggles GTX864 Series Image Intensifier Tube
China VY Optics FOM1600 Night Vision Goggles GTX864 Series Image Intensifier Tube
Item Number:X-P24VY002L1601
An image intensifier or image intensifier tube is a vacuum tube device for increasing the intensity of available light in an optical system to allow use under low-light conditions, such as at night, to facilitate visual imaging of low-light processes, such as fluorescence of materials in X-rays or gamma rays (X-ray image intensifier), or for conversion of non-visible light sources, such as near-infrared or short wave infrared to visible. They operate by converting photons of light into electrons, amplifying the electrons (usually with a microchannel plate), and then converting the amplified electrons back into photons for viewing. They are used in devices such as night-vision goggles.
- Figure Of Merit: 1600
- Sensitivity (2856K): 800
- SNR: 25μA/lm
What is Image Intensifier Tubes
Image intensifier tubes (IITs) are optoelectronic devices that allow many devices, such as night vision devices and medical imaging devices, to function. They convert low levels of light from various wavelengths into visible quantities of light at a single wavelength.
How Image Intensifier Tubes Work
Image intensifiers convert low levels of light photons into electrons, amplify those electrons, and then convert the electrons back into photons of light. Photons from a low-light source enter an objective lens which focuses an image into a photocathode. The photocathode releases electrons via the photoelectric effect as the incoming photons hit it. The electrons are accelerated through a high-voltage potential into a microchannel plate (MCP). Each high-energy electron that strikes the MCP causes the release of many electrons from the MCP in a process called secondary cascaded emission. The MCP is made up of thousands of tiny conductive channels, tilted at an angle away from normal to encourage more electron collisions and thus enhance the emission of secondary electrons in a controlled Electron avalanche.
Pictures of GTX864 Series Image Intensifier Tube
GTX864 Series Image Intensifier Tube Specifications
| Specifications | Data |
| Figure Of Merit | 1600 |
| Sensitivity (2856K) | 800 |
| SNR | 25μA/lm |
| 25μA/lm | 64lp/mm |
| Luminance Gain | 8000-12000cd/m2/lx |
| Maximum Output Brightness | 4~8cd/m2 |
| Cathode Effective Diameter | 7.5mm |
| Power Supply | Auto-gating |
| Phosphor Powder | P43/P45 |
| Weight | ≤80g |
Detailed Video of Image Intensifier Tube
People also ask
- What is the image intensifier tube gain?
Gain is the measure of multiplication that occurs to these electrons via the image intensifier tube's microchannel plate. Gain is sometimes overlooked because it's relatively consistent across tube models.
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