CN209545689U - A kind of image intensifying type camera minimizing light-cone QCD sum rules - Google Patents

Abstract

The utility model provides a kind of image intensifying type camera for minimizing light-cone QCD sum rules, comprising: image intensifier, optical taper coupling camera lens, board grade ccd detector, mechanical encapsulation structure etc..Image intensifier couples camera lens for optical taper is injected after incident faint optical signal gain, amplification；Optical taper couples camera lens and amplified optical signal is coupled to detector target surface to the total reflection of light using optical fiber；Board grade ccd detector acquires optical signal；Standard C mouth mirror head mother's mouth is arranged for encapsulating image intensifier, optical taper coupling camera lens and board grade ccd detector in mechanical encapsulation structure.The utility model realizes miniaturization and low cost, can be widely applied to the fields such as laser diagnostics, biology/chemiluminescence, night-vision navigation, electrion, industrial detection under the basis for realizing high-gain, high dynamic range and high imaging.

Description

A kind of image intensifying type camera minimizing light-cone QCD sum rules

Technical field:

The utility model relates to low-light level imaging technical fields, more particularly to a kind of optical taper coupled modes that are based on to realize low-light The miniaturization image intensifying type camera of signal detection.

Background technique:

Low-light refers to light energy faint under low-light (level) environment as low as the light that human eye or imaging sensor cannot be caused to respond. Low-light image intensifying camera makes human eye vision or image sensing device exist by photoelectric conversion, high-performance amplification, transmission and processing Space, time domain and frequency domain are effectively extended, and human eye or the identifiable high quality clear image of imaging sensor are converted into, thus It compensates for human eye or imaging sensor and many asks dim environment medium sensitivity is low, resolution ratio is low and color recognition capability is poor etc. Topic, powerful technical support is provided for the human knowledge world.

In actual life, low-light level imaging technology has strong application demand in numerous areas, such as military round-the-clock investigation, night It is regarded as fighting, bioluminescence imaging, high-speed photography imaging etc..But commercialization image intensifying camera is based on external complete product and body at present Type is larger, and such as Britain Andor, German PCO etc., price one time in ten thousand RMB of 40-60/platform.Volume and cost and foreign trade etc. Problem seriously constrains image intensifying camera and applies in fields such as biological detection, industrial detections.

Summary of the invention:

In order to solve the above technical problems, the utility model provides a kind of image intensifying type camera for minimizing light-cone QCD sum rules, lead to High-gain, high dynamic range and high imaging are being realized in the structure design for crossing image intensifier, optical taper coupling camera lens and board grade CCD Basis under, realize miniaturization and low cost.

The image intensifying type camera of the miniaturization light-cone QCD sum rules of the utility model comprising: image intensifier, optical taper coupling mirror Head, board grade ccd detector, mechanical encapsulation structure etc..

The effect of image intensifier is to convert electric signal for the faint optical signal for being incident on its photocathode, and pass through microchannel The multistage amplification of plate carries out electron multiplication, and electronics gets to fluorescent screen after multiplication, realizes electro-optical signal conversion, final to realize light letter Number gain, amplification.

Optical taper couples camera lens, and amplified optical signal is coupled to detector target to the total reflection of light using optical fiber Face.

Board grade CCD is used for the acquisition of optical signal.

Mechanical encapsulation structure is set simultaneously for encapsulating image intensifier, optical taper coupling camera lens and board grade ccd detector Set standard C mouth mirror head mother's mouth.

It is pressed the utility model has the advantages that the utility model can be widely applied to laser diagnostics, biology/chemiluminescence, night-vision navigation, height The fields such as electricity, industrial detection.

1) image intensifying type camera has high optics gain function, and greatest optical gain is up to 15000 times；

2) high dynamic range and high imaging quality, transmission function > 40lp/mm, camera resolution 1440*1080；Highest Frame frequency is 238fps, response wave band: 200-700nm；

3) compact-sized, small in size, outer dimension:

4) at low cost, it is suitble to large-scale industry and civilian.

5) most short 3ns may be implemented by external timing and gating module to expose.

Detailed description of the invention:

Fig. 1 is the decomposition texture schematic diagram for minimizing the image intensifying type camera of light-cone QCD sum rules.

Fig. 2 is the two-dimensional cross section for minimizing the image intensifying type camera of light-cone QCD sum rules.

Fig. 3 is that the image intensifying type camera of miniaturization light-cone QCD sum rules is outside drawing.

Wherein: 101- interface rings, 102- pressure ring, 103- image intensifier, 104- sleeve, 105- optical taper couple camera lens, 106-CCD, 107- cover board.

Specific embodiment

As illustrated in the accompanying drawings from 1 to 3, the image intensifying type camera of the miniaturization light-cone QCD sum rules of the utility model comprising: image intensifier 103, optical taper couples camera lens 105, board grade ccd detector 106, mechanical encapsulation structure.

Light-cone QCD sum rules camera lens 105 reaches fiber optic bundle and CCD pixel by optical alignment with board grade ccd detector 106 Alignment, and be fixed by uv-curable glue, it is final to realize that light cone is integrated with board grade CCD.To pass through optical taper The amplification optical signal repeater of image intensifier 103 is imaged on 106 target surface of board grade ccd detector by coupled modes.

Image intensifier 103 converts electric signal for the faint optical signal for being incident on its photocathode, and passes through microchannel plate Multistage amplification carries out electron multiplication to the electric signal, and the electronics after multiplication is got on fluorescent screen, realizes electro-optical signal conversion, The final gain for realizing optical signal, amplification.

As one embodiment, Dutch Photonics company Hi-QE Blue can be used in the image intensifier 103 of the utility model Serial single layer image intensifier, time extremely Hi-QE Blue, quantum efficiency: > 30% 300nm, resolution ratio: 60lp/mm, effectively Size: 18mm, greatest optical gain: 3000-15000 times, internal high-voltage module.

Optical taper couples camera lens 105, is totally reflected using optical fiber to light, and amplified optical signal is coupled to spy Survey the target surface of device 106.Optical taper couples camera lens and more single mode optical fibers is closed beam formation conical fiber, transmitting by melting daraf(reciprocal of farad) technique Function: > 60lp/mm, image scaling ratio are 1:2.8.

Board grade ccd detector 106 is used for the acquisition of optical signal.As one embodiment, board grade CCD106 can be used German Image Source company DMM 37UX273-ML type industrial CCD, resolution ratio: 1440*1080, pixel dimension: 3.45 μ M, frame frequency: 238fps.

Packaging machinery structure includes: interface rings 101, pressure ring 102, sleeve 104, cover board 107.The internal diameter of interface rings 101 is 25.4mm reserves standard C mouthfuls of lens interface, can connect commercial C mouth mirror head.Interface rings 101, pressure ring 102 are socketed rear thread and fix, Image intensifier 103, optical taper coupling camera lens 105, the alignment of board grade ccd detector 106 are placed in sleeve 104, and 104 liang of sleeve End is socketed rear thread and fixes with pressure ring 102, cover board 107 respectively.Packaging machinery structure is used for image intensifier, light cone camera lens and plate Card grade CCD carries out mechanical encapsulation, it is ensured that system is stablized.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of image intensifying type camera for minimizing light-cone QCD sum rules characterized by comprising image intensifier, optical taper coupling mirror Head, board grade ccd detector and mechanical encapsulation structure；

Image intensifier, the faint optical signal that incidence is come inject optical taper coupling camera lens after carrying out gain, amplification；

Optical taper couples camera lens, is totally reflected using optical fiber to light, and amplified optical signal is coupled to board grade CCD The target surface of detector；

Board grade ccd detector, the acquisition for optical signal；And light-cone QCD sum rules camera lens and board grade ccd detector pass through optics Alignment reaches the alignment of fiber optic bundle Yu CCD pixel, and is fixed by uv-curable glue, final to realize light cone and board grade The integrated design of CCD；

Mechanical encapsulation structure is set simultaneously for encapsulating the image intensifier, optical taper coupling camera lens and board grade ccd detector Set standard C mouth mirror head mother's mouth.

2. a kind of image intensifying type camera for minimizing light-cone QCD sum rules according to claim 1, which is characterized in that image intensifier Using Dutch Photonics company Hi-QE Blue series single layer image intensifier, time extremely Hi-QE Blue, quantum efficiency: > 30%@300nm, resolution ratio: 60lp/mm, effective dimensions: 18mm, greatest optical gain: 3000-15000 times, internal high-voltage mould Block.

3. a kind of image intensifying type camera for minimizing light-cone QCD sum rules according to claim 1, which is characterized in that optical taper coupling Closing camera lens mostly will close beam formation conical fiber with single mode optical fiber by melting daraf(reciprocal of farad) technique.

4. a kind of image intensifying type camera for minimizing light-cone QCD sum rules according to claim 1, which is characterized in that board grade CCD uses Germany Image Source company DMM37UX273-ML type industrial CCD, resolution ratio: 1440*1080, pixel dimension: 3.45 μm, frame frequency: 238fps.

5. a kind of image intensifying type camera for minimizing light-cone QCD sum rules according to claim 1, which is characterized in that packaging machinery Structure is used to image intensifier, light cone camera lens and board grade CCD carrying out mechanical encapsulation, it is ensured that system is stablized, and standard C mouthfuls reserved Lens interface.

6. a kind of image intensifying type camera of miniaturization light-cone QCD sum rules, feature described in -5 any rights exist according to claim 1 In the parameter designing of the image intensifying type camera are as follows:

Optical gain: 3000-15000 times；Transmission function: > 40lp/mm；Camera resolution: 1440*1080；Highest frame frequency: 238fps；Lens interface: C mouthfuls；Response wave band: 200-700nm；And most short 3ns can be supported by external timing and gating module Exposure.