CN2505876Y - Composite dynamic hologram shooting device - Google Patents
Composite dynamic hologram shooting device Download PDFInfo
- Publication number
- CN2505876Y CN2505876Y CN 01257623 CN01257623U CN2505876Y CN 2505876 Y CN2505876 Y CN 2505876Y CN 01257623 CN01257623 CN 01257623 CN 01257623 U CN01257623 U CN 01257623U CN 2505876 Y CN2505876 Y CN 2505876Y
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- CN
- China
- Prior art keywords
- digital micro
- mirror device
- dmd
- dynamic hologram
- laser
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- Expired - Fee Related
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Abstract
The utility model relates to a composite dynamic hologram shooting device which comprises a laser, a reflector, a beam splitter, a collimating lens set, a digital micro-reflector device, an imaging lens, a scattering screen and a sensitized plate, wherein, object images of discrete time series outputted by a computer are inputted into the digital micro-reflector device in sequence when the utility model is used to shoot a dynamic hologram. Because a series of transparent films are not necessary to be prepared in advance, the shooting speed of the dynamic hologram is greatly put up; and due to the features of high resolution and high contrast of the digital micro-reflector device, the high-quality composite dynamic hologram can be produced.
Description
The utility model belongs to the laser hologram filming apparatus.
When taking compound body apparent motion attitude hologram, need tens different angles or seasonal effect in time series transparent film mask T to import, as shown in Figure 1 as subject image.Before taking hologram, need make a series of transparent film T in advance, operation bothers very much.Utility model patent 97246035.7 discloses a kind of with the synthetic dynamic hologram filming apparatus of LCD LCDs as the subject image entering apparatus, as shown in Figure 2.Because the LCD LCDs shows the image that replaces transparent film from the image of computing machine, so need not to make in advance a series of transparent film, greatly improved the dynamic hologram shooting speed, but, influenced the quality of hologram because the resolution and the contrast of LCD LCDs are lower.
The purpose of this utility model is to propose a kind of can the reservation to need not to make a series of transparent film image masks, thereby greatly improves the advantage of dynamic hologram shooting speed, can produce high-quality synthetic dynamic hologram De Pai Photo device again.
For achieving the above object, the synthetic dynamic hologram filming apparatus of the utility model comprises laser instrument, catoptron, beam splitter, collimation lens set, subject image entering apparatus and photographic plate.The laser that laser instrument sends is divided into object beam and reference beam through beam splitter.Object beam forms the collimation directional light that expands bundle by one group of collimation lens set, projects the subject image entering apparatus, forms subject image, projects on the light sensitive plate again.Reference beam also projects on the photographic plate, with recorded hologram after expanding bundle by another group collimation lens set.Subject image entering apparatus of the present utility model comprises digital micro-mirror device, imaging len and the diffuser screen of the image digital signal control that is subjected to computing machine, the said beam-expanding collimation directional light that object beam is formed is incident upon on the digital micro-mirror device, the light that reflects from digital micro-mirror device is imaged on the diffuser screen through imaging len, form subject image, project on the light sensitive plate again.
Saidly be incident upon collimation directional light on the digital micro-mirror device and the normal angle of digital micro-mirror device is 20 °.
During practical application, digital micro-mirror device is connected with the peripheral hardware computer system by the digital micro-mirror device control circuit.Can be by digital camera or scanner via computing machine to the digital micro-mirror device input picture, or import to digital micro-mirror device by the graphics software designed image of computing machine.
The utility model can be imported discrete seasonal effect in time series object figure to digital micro-mirror device quickly and easily by the peripheral hardware computer system when taking dynamic hologram, so it has kept the advantage of utility model patent 97246035.7, removed the trouble of the transparent film of prior making a series of images from, thereby greatly improved the shooting speed of dynamic hologram, and, because digital micro-mirror device has the characteristic of high resolving power and high-contrast, thereby can produce high-quality synthetic dynamic hologram.
Below be the explanation of accompanying drawing drawing:
Fig. 1 is the hologram filming apparatus index path of existing employing transparent film T as the subject image input;
Fig. 2 is that utility model patent 97246035.7 adopts the hologram filming apparatus index path of LCD LCDs as the subject image entering apparatus;
Fig. 3 is this synthetic dynamic hologram filming apparatus index path.
Below in conjunction with accompanying drawing in detail the CONSTRUCTED SPECIFICATION that the utility model is implemented is described in detail:
This synthetic dynamic hologram filming apparatus as shown in Figure 3.Comprise laser instrument Laser, beam splitter SP, mirror M 1, M2, M3, one group of collimation lens set L01, L02 and another group collimation lens set L03, L04, digital micro-mirror device DMD, imaging len L, diffuser screen S and light sensitive plate P, wherein, digital micro-mirror device DMD, imaging len L and diffuser screen S constitute the subject image entering apparatus.The laser that laser instrument Laser sends is after mirror M 1 reflection, be divided into object beam B1 and reference beam B2 by beam splitter SP, object beam B1 is by collimation lens set L01, L02 forms the collimation directional light that expands bundle, after mirror M 2 reflections, with with the normal of digital micro-mirror device DMD, be that the systematic optical axis angle is that 20 ° direction is incident upon on the digital micro-mirror device DMD, the image digital signal of computing machine is input to digital micro-mirror device DMD through digital micro-mirror device DMD control circuit, be imaged on the diffuser screen S through imaging len L from the light of digital micro-mirror device DMD reflection, form subject image, and be incident upon on the light sensitive plate P, reference beam B2 is after mirror M 3 reflections, by collimation lens set L03, L04 forms the collimation directional light that expands bundle, also projects on the light sensitive plate P, with recorded hologram.
During real work, digital micro-mirror device DMD is connected with the peripheral hardware computer system by the DMD control circuit, the peripheral hardware computer system comprises computing machine and is connected to digital camera on the computing machine or device such as scanner.By the object figure input of computer-controlled digital micro-mirror device DMD as the hologram filming apparatus, discrete seasonal effect in time series object figure is input to digital micro-mirror device DMD in proper order, it is imaged on the diffuser screen S through imaging len L, thing light in scattering on the diffuser screen S projects on the light sensitive plate P, interfere with parallel reference light, adopt laterally and/or the longitudinal area split plot design diverse location recorded hologram on light sensitive plate P respectively.
Claims (2)
1. a synthetic dynamic hologram filming apparatus comprises laser instrument (Laser), catoptron (M1, M2, M3), beam splitter (SP), collimation lens set (L01, L02 and L03, L04), subject image entering apparatus and photographic plate (P); The laser that laser instrument (Laser) sends is divided into object beam (B1) and reference beam (B2) through beam splitter (SP), object beam (B1) forms the collimation directional light that expands bundle by one group of collimation lens set (L01, L02), project the subject image entering apparatus, project again on the light sensitive plate (P); Reference beam (B2) is by another group collimation lens set (L03, L04) also project on the photographic plate (P) behind the expansion bundle, it is characterized in that: said subject image entering apparatus comprises the digital micro-mirror device (DMD) of the image digital signal control that is subjected to computing machine, imaging len (L) and diffuser screen (S), the said beam-expanding collimation directional light that object beam (B1) is formed is incident upon on the digital micro-mirror device (DMD), be imaged on the diffuser screen (S) through imaging len (L) from the light of digital micro-mirror device (DMD) reflection, project again on the light sensitive plate (P).
2. synthetic dynamic hologram filming apparatus according to claim 1 is characterized in that saidly being incident upon collimation directional light on the digital micro-mirror device (DMD) and the normal angle of digital micro-mirror device (DMD) is 20 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01257623 CN2505876Y (en) | 2001-10-26 | 2001-10-26 | Composite dynamic hologram shooting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01257623 CN2505876Y (en) | 2001-10-26 | 2001-10-26 | Composite dynamic hologram shooting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2505876Y true CN2505876Y (en) | 2002-08-14 |
Family
ID=33666331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01257623 Expired - Fee Related CN2505876Y (en) | 2001-10-26 | 2001-10-26 | Composite dynamic hologram shooting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2505876Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100353268C (en) * | 2004-03-04 | 2007-12-05 | 中国科学院上海光学精密机械研究所 | High-resolution femtosecond holographic device |
| CN100422851C (en) * | 2005-12-23 | 2008-10-01 | 深圳市泛彩溢实业有限公司 | Holographic projecting screen, producing method, system and application thereof |
| CN102217297A (en) * | 2008-09-08 | 2011-10-12 | 瓦勒利亚·赞帕蒂 | Method and apparatus for digitally achieving images on photographic films |
| CN102520603A (en) * | 2012-01-14 | 2012-06-27 | 西安华科光电有限公司 | Method and system for manufacturing hologram and holographic lens combined element |
| CN102590923A (en) * | 2012-03-01 | 2012-07-18 | 清华大学深圳研究生院 | Lens, hologram projection production system and method thereof |
| CN103486980A (en) * | 2013-08-28 | 2014-01-01 | 华侨大学 | Cross-scale measurement method based on digital micromirror device |
-
2001
- 2001-10-26 CN CN 01257623 patent/CN2505876Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100353268C (en) * | 2004-03-04 | 2007-12-05 | 中国科学院上海光学精密机械研究所 | High-resolution femtosecond holographic device |
| CN100422851C (en) * | 2005-12-23 | 2008-10-01 | 深圳市泛彩溢实业有限公司 | Holographic projecting screen, producing method, system and application thereof |
| CN102217297A (en) * | 2008-09-08 | 2011-10-12 | 瓦勒利亚·赞帕蒂 | Method and apparatus for digitally achieving images on photographic films |
| CN102520603A (en) * | 2012-01-14 | 2012-06-27 | 西安华科光电有限公司 | Method and system for manufacturing hologram and holographic lens combined element |
| CN102590923A (en) * | 2012-03-01 | 2012-07-18 | 清华大学深圳研究生院 | Lens, hologram projection production system and method thereof |
| CN103486980A (en) * | 2013-08-28 | 2014-01-01 | 华侨大学 | Cross-scale measurement method based on digital micromirror device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20020814 Termination date: 20101026 |