Active Range-Gated

Night Vision Cameras

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Obzerv PIC-75 INTENSIFIED CCD CAMERA is a compact and lightweight night vision camera core. The PIC-75 will amplify low light in a wide range of wavelength hence revealing more details of the scene of interest in total darkness. This core module is composed of a high performance image intensifier coupled to a CCD sensor. It includes all the high voltage power supplies required for efficient fast gating. The image intensifier is an electro-optical component based on a Micro Channel Plate (MCP). The MCP amplifies electronically an image focused onto a photocathode. The intensified image is then transmitted from the intensifier phosphor screen to a CCD sensor by means of a proprietary fiber optic bundle coupling. The camera can be operated in continuous mode or gated at high frequencies. For range-gated camera applications, the PIC-75 offers considerable capabilities with a gating frequency up to 75 kHz.


Unlike Electron Multiplying CCD cameras (EMCCD), the PIC-75 does not require cooling of its CCD sensor, thus avoiding condensation problems. The PIC-75 camera can be configured in progressive scan mode providing better image quality without any frame to frame artifacts for highly dynamic scenes. With a physical size of 124 mm x 79 mm x 39 mm and weighting only 320 g, this Passive ICCD Camera is one of the smallest and lightest integrated core module on the market.

This core module can be used in a wide variety of applications, but if you are looking for a product that matches the stringent requirements of tactical situational awareness, Obzerv Passive Intensified CCD - PIC-75 is exactly what you need.

 

Applications

  • Tactical Situational Awareness
  • Industrial
  • Medical
  • Astronomical

 


KEY FEATURES BENEFITS
Miniature and Lightweight

- Versatile, to be fitted with different enclosures
- Perfect to be fitted in handheld cameras (e.g.: military cameras)

High speed optical shutter, with full manual control - Capability to produce real time range-gated imagery
No distortion - Great and complete image quality (periphery included)
High resolution - Crystal clear and sharp images
- No chicken wire visual effect.
Easy to set-up and operate - No need for external high voltage power supplies
- Plug and Go design
- Simple communication interfaces (RS-232 & TTL)
EMI shielded - Not affected by electromagnetic radiations
- Does not emit radiations
Non ITAR product - The PIC-75 is not controlled under the International Traffic in Arms Regulations. An export license is although required from the Canadian Department of Foreign Affairs and and International Trade (DFAIT).

 

GENERAL DATA

  PIC-75 MECHANICAL DRAWING

Active Image Area

Resolution (*1)
Power

Temperature range
Operating
Storage
Weight

6.53 mm x 4.89 mm
(8.16 mm Diagonal)
41 lp/mm (min)
5 VDC, 650 mA
12 VDC, 50 mA

-10 ̊C to 50 ̊C
-20 ̊C to 60 ̊C
320 g

INTENSIFIER PARAMETERS

Type
Photocathode
Luminous Sensitivity
Photocathode Sensitivity
Luminous gain @ 2856 ̊K
Resolution
Phosphor
Signal-to-noise Ratio (SNR)

Second Generation
Multialkali
800 uA/lm @ 2850 K (typical)
70 mA/W @ 800 nm (typical)
10000 (cd/m2)/lx (min)
70 lp/mm
P20
Min: 23, Typical: 25

CCD CAMERA PARAMETERS

CCD type
Video standard


Sync


Video gain
Gamma:
Video out
Control

Sony ICX-414 1⁄2-inch CCD
EIA or CCIR
Progressive scan 30 or 25 FPS
Progressive scan 60 or 50 FPS
Internal
H-Drive output (TTL)
V-Drive output (TTL)
6 dB to 40 dB
1
1V p-p into 75 Ω
RS-232, TTL Level

GATING INTERFACE

Gate mode
Input Threshold
Input impedance
Logic level

Min. Gate Width
Gating Frequency
Gain control

External
3.5 V
100 Ω
High = gate on
Low = gate off
40 ns
DC to 75 kHz
analog (0 – 2.5 V input)

*1 Measured visually in the center of the focal plane using a black and white CRT video display having a horizontal resolution of 900

 

Obzerv's active range-gating technology
A breakthrough technology that provides superior identification and recognition capabilities compared to the best thermal imager. Obzerv's cameras have raised the bar in the surveillance market.
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