CN106249421B - Double light path optical system based on Bi-integrated sphere - Google Patents
Double light path optical system based on Bi-integrated sphere Download PDFInfo
- Publication number
- CN106249421B CN106249421B CN201610701630.0A CN201610701630A CN106249421B CN 106249421 B CN106249421 B CN 106249421B CN 201610701630 A CN201610701630 A CN 201610701630A CN 106249421 B CN106249421 B CN 106249421B
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- integrating sphere
- light
- diaphragm
- driving lever
- main body
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/09—Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
- G02B27/0938—Using specific optical elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The double light path optical system based on Bi-integrated sphere that the invention discloses a kind of, including halogen tungsten lamp light source, xenon source, the first driving lever diaphragm, satellite integrating sphere, aperture-variable diaphragm, detector, main body integrating sphere and the second driving lever diaphragm；First driving lever diaphragm is arranged between halogen tungsten lamp light source and satellite integrating sphere incidence surface, second driving lever diaphragm is arranged between xenon source and main body integrating sphere, aperture-variable diaphragm is arranged between satellite integrating sphere light-emitting surface and main body integrating sphere incidence surface, and the detector is arranged on main body integrating sphere ball wall.The present invention can get illuminance 10 using the double light path optical system of Bi-integrated sphere, driving lever diaphragm and aperture-variable diaphragm composition‑7~103In Lx wide dynamic range, uniformity be not less than 96% face uniform source of light, have the characteristics that stability and reproducible.
Description
Technical field
The present invention relates to double light path optical system, especially a kind of double light path optical system based on Bi-integrated sphere.
Background technique
In recent years, the lll night visions device development such as low-light ICCD, low-light (level) CMOS is rapid, performance parameter test requirement
It is higher and higher.Color temperature constant, the wider stabilized light source of illumination dynamic range are its target light sources.
In traditional simple integral ball system, after light is by input hole incidence, light is inside this ball by uniform unrestrained anti-
It penetrates, therefore the obtained light of delivery outlet is relatively uniform diffusion light beam.And the incident angle of incident light, spatial distribution,
And polarization will not all impact the beam intensity and the uniformity of output.Though the directional light that traditional simple integral ball system exports
In uniformity preferably, but have in dynamic range clearly disadvantageous, exiting light beam intensity also can not real-time monitoring.
Summary of the invention
The double light path optical system based on Bi-integrated sphere that the purpose of the present invention is to provide a kind of.
Realize the technical solution of the object of the invention are as follows: a kind of double light path optical system based on Bi-integrated sphere, including halogen tungsten
Lamp source, xenon source, the first driving lever diaphragm, satellite integrating sphere, aperture-variable diaphragm, detector, main body integrating sphere and second
Driving lever diaphragm；
The first driving lever diaphragm is arranged between halogen tungsten lamp light source and satellite integrating sphere incidence surface, the second driving lever light
Door screen is arranged between xenon source and main body integrating sphere, and the aperture-variable diaphragm is arranged in satellite integrating sphere light-emitting surface and main body
Between integrating sphere incidence surface, the detector is arranged on main body integrating sphere ball wall；
The directional light of halogen tungsten lamp light source transmitting is decayed through the first driving lever diaphragm, is irradiated after integrating ball warp diffusing reflection into satellite
To aperture-variable diaphragm, aperture-variable diaphragm carries out secondary extinction to illumination, and the illumination after secondary extinction enters main body integrating sphere
It is projected after diffusing reflection from light-emitting window；The directional light of xenon source transmitting is decayed through the second driving lever diaphragm, into main body integrating sphere
It is projected after diffusing reflection from light-emitting window；The detector detects main body integrating sphere light-emitting window illuminance.
Compared with prior art, remarkable advantage of the invention are as follows:
(1) present invention can be obtained using the double light path optical system of Bi-integrated sphere, driving lever diaphragm and aperture-variable diaphragm composition
Illuminance is obtained 10-7~103In Lx wide dynamic range, uniformity be not less than 96% face uniform source of light；(2) present invention, which uses, dials
Bar diaphragm and aperture-variable diaphragm realize the fine adjustment to output light source illumination, realize the continuous change of illumination under color temperature constant
Change, has the characteristics that stability and reproducible.
Present invention is further described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the double light path schematic diagram of optical system of the present invention based on Bi-integrated sphere.
Specific embodiment
In conjunction with Fig. 1, a kind of double light path optical system based on Bi-integrated sphere of the invention, including halogen tungsten lamp light source 1, xenon lamp
Light source 2, the first driving lever diaphragm 3, satellite integrating sphere 4, aperture-variable diaphragm 5, detector 6, main body integrating sphere 7 and the second driving lever light
Door screen 8；
The first driving lever diaphragm 3 is arranged between 4 incidence surface of halogen tungsten lamp light source 1 and satellite integrating sphere, and described second group
Bar diaphragm 8 is arranged between xenon source 2 and main body integrating sphere 7, and the setting of aperture-variable diaphragm 5 goes out in satellite integrating sphere 4
Between 7 incidence surface of smooth surface and main body integrating sphere, the detector 6 is arranged on 7 ball wall of main body integrating sphere；
The directional light that halogen tungsten lamp light source 1 emits is decayed through the first driving lever diaphragm 3, into satellite integrating sphere 4 after diffusing reflection
It is irradiated to aperture-variable diaphragm 5, aperture-variable diaphragm 5 carries out secondary extinction to illumination, and the illumination after secondary extinction enters main body
Integrating sphere 7 projects after diffusing reflection from light-emitting window；The directional light that xenon source 2 emits is decayed through the second driving lever diaphragm 8, into master
Volume bulb separation 7 projects after diffusing reflection from light-emitting window；The detector 6 detects 7 light-emitting window illuminance of main body integrating sphere.
Further, the diameter of main body integrating sphere 7 and satellite integrating sphere is respectively 200mm and 100mm.
Halogen tungsten lamp light source 1 passes through by the first driving lever diaphragm 3, satellite integrating sphere 4, aperture-variable diaphragm 5 and main body integrating sphere 7
The integrating sphere light source system of composition generates color temperature constant, and illuminance is 10-7In~1.0Lx dynamic range, uniformity is not less than
98% face uniform source of light.
Xenon source 2 is by generating illuminance 1.0~10 in light-emitting window after the second driving lever diaphragm 8 and main body integrating sphere 73Lx
In dynamic range, uniformity be not less than 96% face uniform source of light.
Halogen tungsten lamp light source 1 and xenon source 2 will generate color temperature constant after Bi-integrated sphere system, and illuminance is 10-7~
103The face uniform source of light for exporting stable, uniformity and being not less than 96% in Lx wide dynamic range.
Detector 6 is made of silicon photocell and photomultiplier tube, and the silicon photocell is converted illumination by photoelectric effect
At electric current, the electric current that the photomultiplier tube is used to generate silicon photocell is amplified.
Claims (3)
1. a kind of double light path optical system based on Bi-integrated sphere, which is characterized in that including halogen tungsten lamp light source (1), xenon source
(2), the first driving lever diaphragm (3), satellite integrating sphere (4), aperture-variable diaphragm (5), detector (6), main body integrating sphere (7) and
Two driving lever diaphragms (8)；
The first driving lever diaphragm (3) is arranged between halogen tungsten lamp light source (1) and satellite integrating sphere (4) incidence surface, and described second
Driving lever diaphragm (8) is arranged between xenon source (2) and main body integrating sphere (7), and the aperture-variable diaphragm (5) is arranged in satellite
Between integrating sphere (4) light-emitting surface and main body integrating sphere (7) incidence surface, the detector (6) is arranged in main body integrating sphere (7) ball wall
On；
The directional light of halogen tungsten lamp light source (1) transmitting is decayed through the first driving lever diaphragm (3), into satellite integrating sphere (4) through diffusing reflection
After be irradiated to aperture-variable diaphragm (5), aperture-variable diaphragm (5) carries out secondary extinction to illumination, the illumination after secondary extinction into
Enter main volume bulb separation (7) to project after diffusing reflection from light-emitting window；The directional light of xenon source (2) transmitting is through the second driving lever diaphragm
(8) decay, projected after diffusing reflection from light-emitting window into main body integrating sphere (7)；The detector (6) is to main body integrating sphere (7)
Light-emitting window illuminance is detected；
Halogen tungsten lamp light source (1) passes through by the first driving lever diaphragm (3), satellite integrating sphere (4), aperture-variable diaphragm (5) and main volume
The integrating sphere light source system of bulb separation (7) composition generates illuminance 10-7~1.0Lx dynamic range is interior, uniformity is not less than 98%
Face uniform source of light.
2. the double light path optical system according to claim 1 based on Bi-integrated sphere, which is characterized in that xenon source (2)
By generating illuminance 1.0~10 in light-emitting window after the second driving lever diaphragm (8) and main body integrating sphere (7)3In Lx dynamic range,
Even property is not less than 96% face uniform source of light.
3. the double light path optical system according to claim 1 based on Bi-integrated sphere, which is characterized in that detector (6) by
Illumination is converted into electric current, the photoelectricity times by photoelectric effect by silicon photocell and photomultiplier tube composition, the silicon photocell
Increase pipe for amplifying to the electric current that silicon photocell generates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610701630.0A CN106249421B (en) | 2016-08-22 | 2016-08-22 | Double light path optical system based on Bi-integrated sphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610701630.0A CN106249421B (en) | 2016-08-22 | 2016-08-22 | Double light path optical system based on Bi-integrated sphere |
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| Publication Number | Publication Date |
|---|---|
| CN106249421A CN106249421A (en) | 2016-12-21 |
| CN106249421B true CN106249421B (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610701630.0A Expired - Fee Related CN106249421B (en) | 2016-08-22 | 2016-08-22 | Double light path optical system based on Bi-integrated sphere |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106896085B (en) * | 2017-04-11 | 2020-06-23 | 凯盛信息显示材料(池州)有限公司 | Coated glass film heat reflectivity detection device |
| CN110056842B (en) * | 2019-06-06 | 2021-01-05 | 中国科学院长春光学精密机械与物理研究所 | Single star simulator and light source thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6040904A (en) * | 1998-12-23 | 2000-03-21 | Eastman Kodak Company | Diffuse optical transmission density measurement system |
| CN104154930A (en) * | 2014-07-14 | 2014-11-19 | 中国科学院长春光学精密机械与物理研究所 | Multi-color-temperature and multi-star-magnitude single-star simulator |
| CN104378861A (en) * | 2014-11-14 | 2015-02-25 | 中国科学院西安光学精密机械研究所 | Black body light source with adjustable color temperature and color temperature adjusting method for same |
| CN104634449A (en) * | 2015-02-12 | 2015-05-20 | 南京理工大学 | Test system and test method for signal-noise ratio of low-light ICCD (Intensified Charge Coupled Device) |
| CN105388610A (en) * | 2015-09-18 | 2016-03-09 | 江苏南大五维电子科技有限公司 | Light attenuation device capable of continuously adjusting light intensity |
-
2016
- 2016-08-22 CN CN201610701630.0A patent/CN106249421B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6040904A (en) * | 1998-12-23 | 2000-03-21 | Eastman Kodak Company | Diffuse optical transmission density measurement system |
| CN104154930A (en) * | 2014-07-14 | 2014-11-19 | 中国科学院长春光学精密机械与物理研究所 | Multi-color-temperature and multi-star-magnitude single-star simulator |
| CN104378861A (en) * | 2014-11-14 | 2015-02-25 | 中国科学院西安光学精密机械研究所 | Black body light source with adjustable color temperature and color temperature adjusting method for same |
| CN104634449A (en) * | 2015-02-12 | 2015-05-20 | 南京理工大学 | Test system and test method for signal-noise ratio of low-light ICCD (Intensified Charge Coupled Device) |
| CN105388610A (en) * | 2015-09-18 | 2016-03-09 | 江苏南大五维电子科技有限公司 | Light attenuation device capable of continuously adjusting light intensity |
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