Gen 3 Image Intensifier
Gen 3 Image Intensifier Tubes | High-Sensitivity Night Vision Solutions with GaAs Photocathode Technology
MHNV® delivers enterprise-grade Gen 3 Image Intensifier solutions engineered for exceptional low-light performance. Built on GaAs photocathode technology, our tubes achieve photocathode sensitivity exceeding 1800 μA/lm with signal-to-noise ratios above 28. Each product undergoes precision calibration in Class-10,000 cleanrooms, delivering resolution up to 72 lp/mm and EBI below 0.25 μlx. Available in P43 green and P45 white phosphor configurations, our image intensifier tubes support diverse professional applications requiring reliable amplification of ambient light from ultraviolet to near-infrared spectrum.
Advanced GaAs Photocathode Technology
Our product tubes feature Gallium Arsenide photocathodes engineered for superior sensitivity across 450-950nm wavelength ranges. The integrated ion barrier film extends operational lifespan beyond 10,000 hours by preventing photocathode degradation from ion bombardment.
The autogating control system responds within microseconds to sudden brightness changes. This intelligent protection adjusts gain dynamically, maintaining optimal contrast while preventing tube damage during light fluctuations.
White phosphor P45 variants provide enhanced grayscale contrast compared to traditional green P43 outputs. This phosphor configuration reduces eye fatigue during extended observation sessions and improves detail recognition in complex visual environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Photocathode Diameter | ≥17.5mm |
| Cathode Material | Gallium Arsenide (GaAs) |
| Input Window | AVG Glass |
| Output Window | Inverting flat / Non-inverting spherical (SR40) / Non-inverting flat |
| Phosphor Type | P43 Green / P45 White |
| Photocathode Sensitivity | >1800 μA/lm |
| Signal-to-Noise Ratio | >30 |
| Resolution | >60 lp/mm (up to 72 lp/mm) |
| Luminance Gain | ≥10,000 cd/m²/lx |
| Maximum Output Brightness | 4-12 cd/m² |
| EBI | ≤0.25 μlx |
| Input Voltage | 2.2-3.4V |
| Operating Temperature | -45°C to +55°C |
| Storage Temperature | -55°C to +70°C |
| Weight | ≤75g |
| Rated Life | >10,000 hours |
High-Performance Imaging Characteristics
The microchannel plate amplification system delivers luminance gain exceeding 30,000 times under starlight conditions. This amplification capacity transforms minimal ambient photon flux into clear, usable imagery without requiring active illumination.
Resolution testing via 1951 USAF charts confirms 64-72 lp/mm performance across the full photocathode diameter. This high spatial resolution enables detailed target identification and accurate observation of distant objects.
Equivalent Background Illumination remains below 0.25 μlx, ensuring high-contrast image formation even in total darkness. Low EBI values directly translate to improved target detection ranges and reduced false signal interpretation.
Manufacturing Excellence and Quality Assurance
MHNV® operates integrated manufacturing facilities with complete control over optical design, tube assembly, and testing protocols. Our production process includes:
Our cleanroom environments maintain contamination-free conditions during photocathode activation and tube sealing procedures. Precision optical assembly stations ensure exact alignment between input windows, microchannel plates, and phosphor screens.
Each tube undergoes comprehensive testing including SNR verification at controlled illumination levels, resolution measurement, EBI characterization, and environmental stress screening. Units are subjected to shock resistance testing per MIL-STD-810 requirements and thermal cycling verification.
Every shipped Gen 3 Image Intensifier includes serialized QC documentation with measured performance parameters. This traceability ensures accountability and provides baseline reference data for operational monitoring.

Customization Capabilities
MHNV® provides flexible OEM and ODM solutions tailored to your specific integration requirements:
Phosphor Selection: Choose between P43 green phosphor for traditional viewing or P45 white phosphor for improved contrast perception and reduced eye strain during prolonged use.
Output Window Configuration: Select inverting flat, non-inverting flat, or non-inverting spherical (SR40) output windows based on your optical system architecture and image orientation requirements.
Power Supply Integration: Our engineering team designs custom power circuits compatible with your voltage parameters, incorporating autogating features and gain adjustment capabilities.
Mechanical Interface Design: Collaborative development of mounting systems, electrical connections, and physical packaging optimized for your device specifications.
Global Supply and Technical Support
With 12 years of image intensifier manufacturing experience, MHNV® serves customers across 60+ countries including North America, Europe, Middle East, and Asia-Pacific regions. Our logistics network ensures reliable delivery through DHL, FedEx, and UPS partnerships.
In-stock tubes ship within 3-7 business days. Custom configurations and bulk production orders complete within 15-30 business days depending on specification complexity.
Technical support includes pre-sales consultation, integration guidance, and performance optimization assistance. Our multilingual team provides communication in English, Russian, Arabic, French, and Spanish.

Compliance and Certification
All MHNV® image intensifier tubes comply with ISO9001:2015 quality management standards. Products meet CE, RoHS, and FCC regulatory requirements with complete documentation provided.
Environmental testing follows MIL-STD-810 protocols for shock, vibration, humidity, and altitude performance verification. This rigorous qualification ensures reliable operation across extreme temperature ranges and demanding field conditions.

FAQ
Q: What is a product and how does it improve night vision performance?
A: The product is a vacuum sealed opto-electronic device that utilises the Gallium Arsenide photocathode technology to boost the ambient light from the ultraviolet to the near infrared spectrum into visible imagery. It overcomes serious performance deficiencies with a photocathode sensitivity greater than 1800 microamperes/lumen and permits visible observation even at starlight levels of illumination below 10-4 footcandles. The incorporated ion barrier coating inhibits photocathode degradation and extends the life of the tube to more than 10,000 hours, compared to prior generation tubes that typically fail after 2,000-5,000 hours of use.
Q: What practical differences are there between P43 and P45 phosphor screens?
A: P43 green phosphor screens use Gadolinium Oxysulfide compounds that emit at 545nm wavelength . It is a very luminous substance giving maximum brightness perception. For P45 white phosphor screens, Yttrium Aluminium Garnet formulations are used which give a wider spectrum output and therefore better contrast separation in grey-scale pictures. White phosphor combinations lessen eye fatigue during prolonged viewing sessions and enhance fine detail detection. MHNV® has both phosphor kinds for rapid shipment based on your viewing preference and application needs.
Q: What quality control techniques ensure reliable performance from the tubes?
A: Each MHNV® tube passes stringent inspection procedures, including the detection of black spots in Zone 1, Zone 2, and Zone 3 areas, to guarantee an unobstructed field of vision. Low-light performance exceeds specification minimums as measured by Signal-to-Noise Ratio testing at 10-4 foot-candles. Resolution verification is performed using 1951 USAF test charts. This tests line pair discrimination. Environmental stress screening of the tubes includes high-G shock and vibration testing that simulates field conditions. Burn-in processes stabilise internal gas chemistry and validate Mean Time Between Failures forecasts prior to shipment.
Q: Are you able to supply unique tube specifications for specialised integration projects?
A: Yes, MHNV® offers complete customisation services for both OEM and ODM customers. Our engineering team works on optimising photocathode sensitivity, selecting the output window configuration, designing the power supply circuit and developing the mechanical interface. Options for customisation include choice of phosphor, change of voltage parameter, customised testing processes. Custom orders start at 10 pieces, and we provide NDA protection and non-competes for proprietary work.
Q: What documentation and support is provided with each tube shipment?
A: Serialised QC data sheets for each tube describe the measured photocathode sensitivity, SNR values, resolution performance, EBI levels and findings of the cosmetic inspection. All our compliance documentation is complete, including CE certificates, RoHS declarations and ISO9001 quality system verification. Technical datasheets offer electrical specifications, operating parameters, and handling instructions. MHNV® provides ongoing technical support including integration advice, performance troubleshooting and application optimisation assistance throughout the life of your product.
Contact Us for Custom Solutions
Contact our technical team at sarah@mh-elec.com for detailed specifications, custom configuration options, and volume pricing for Gen 3 Image Intensifier your project requirements.
YOU MAY LIKE








