CN103308164B - The method of signal coupling is carried out based on flare image position coupling - Google Patents
The method of signal coupling is carried out based on flare image position coupling Download PDFInfo
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- CN103308164B CN103308164B CN201310207403.9A CN201310207403A CN103308164B CN 103308164 B CN103308164 B CN 103308164B CN 201310207403 A CN201310207403 A CN 201310207403A CN 103308164 B CN103308164 B CN 103308164B
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Abstract
The invention discloses a kind of method of carrying out signal coupling based on flare image position coupling, adopt the luminous source optical fiber be located on workbench to irradiate testee, form flare picture; Mobile working platform, adjustment flare image position, flare picture and the fiber-optical probe center probe be located on workbench are coupled also overlapping, collection signal, described object is irregular transparent or semitransparent, and light can reflect in the inside of object.The present invention is guided by flare picture, and the spectral reflectance measurement for irregular surface object and nano sized particles sample provides coupling scheme rapidly and efficiently.
Description
Technical field
The present invention relates to a kind of measurement mechanism, particularly a kind of method of carrying out signal coupling based on flare image position coupling, belongs to Technology of Precision Measurement field.
Background technology
In sample spectra is measured, transmission beam method, integration ball and reflectometry is often adopted to carry out spectral measurement.Wherein during reflection method for measuring, light source and detecting device are in the same side of sample, and mode is then the measuring sonde of band fiber coupler the most easily, and optical light source and detector is together integrated, and this mode is the most conventional in reflection measurement.
For parallel regular sample, the position of reflected light can be calculated by optical correlation law (as Newton's law) accurately to be predicted, and has definite position, can by calculating and accurate machinery location coupled reflection light signal;
For the sample of irregular sample or symmetry difference, the position of precognition reflected light is very difficult, and namely position is uncertain.Particularly when sample particle is very little, small deviation will cause reflected light signal to depart from completely, so must find a kind of method of the light signal of coupled reflection quickly and efficiently, measures sample rapidly.
Traditional solution is:
The first adopts detector probe directly to aim at the method for the geometric center position of testee, and because the refract light of irregularly shaped object does not overlap with geometric center, direction random variation, then detector cannot the measuring-signal of Obtaining Accurate object.
Its two be adopt integrating sphere sampling mode, both made the irregular transmitted ray of irradiated object all directions after the diffuse reflection of integrating sphere inwall, carried out signals collecting.Typical method is the mode of 0/d, d/0; The advantage of this method is that the light after integrating sphere diffusion is more even, be convenient to the signals collecting of detector, but its shortcoming is after integrating sphere diffusion, when measured object volume is less, the emergent light signal produced is very faint, cannot carry out the effective measurement meeting spectral characteristic.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of laser image spot coupled method and solving uncertain or small-signal reflected light signal acquisition problems.
The technical scheme solved the problem is: the method for carrying out signal coupling based on flare image position coupling, adopts light source by the fiber-optic illuminated testee be located on workbench, forms flare picture; Mobile working platform, adjustment flare image position, makes flare picture and the fiber-optical probe center probe be located on workbench be coupled also overlapping, collection signal, described object is the transparent or semitransparent of irregular surface, and light can reflect in the inside of object.
Preferably, the optical fiber adopted is the reflective coupled fiber of Y type.
Preferably, the reflective coupled fiber of described Y type comprises central optical fiber tube coupling and annular delivery optical fiber.
Preferably, described mobile working platform comprises clear plate glass and optical fiber positioning device.
The invention has the advantages that and to be guided by flare picture, the spectral reflectance measurement for irregular surface object and nano sized particles sample provides coupling scheme rapidly and efficiently.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is y-type optical fiber schematic diagram;
Wherein, open circles is luminous source optical fiber, and filled circles is working optical fibre;
Fig. 2 is the undefined position laser image spot that asymmetric sample produces;
Fig. 3 is the schematic diagram carrying out signal coupling according to flare picture;
Fig. 4 is implement device figure of the present invention.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
When light is irradiated to sample surfaces, refraction and reflex can occur, after refract light enters transparent or semitransparent sample, at another interphase of sample, reflection and refraction effect can occur again, refraction law and reflection law are observed in the direction of propagation of light.Light is after multiple reflections and refraction, can be parallel with incident light or on direction at an angle, with (namely in the side of incident light source) on the rightabout platform in incident light propagation direction, form bright reflection light point, the shape of luminous point is directly proportional to the size of sample to size, the intensity of luminous point is relevant with physical propertys such as the refractive indexes of sample, and reflection light point is referred to as flare picture by us.Flare similarly is that incident ray is formed after sample reflection, refraction, with the characteristic of sample after selective absorbing, carry the Absorption Characteristics signal of sample, by the signal measurement (as spectral analysis) to reflected light, the association attributes of sample can be obtained, as refractive index, color, spectral absorption etc.So be coupled quickly and efficiently, the reflected light signal of sample, most important in the measurements.
Because flare picture clearly can point out the position of reflected light, just can accurately coupled reflection light signal by the position of coupled reflection laser image spot.
The invention provides the method for carrying out signal coupling based on flare image position coupling, adopt the luminous source optical fiber be located on workbench 2 to irradiate testee 1, form flare picture; Mobile working platform 2, adjustment flare image position, makes flare picture and the fiber-optical probe center probe be located on workbench 2 be coupled also overlapping, collection signal.
As Fig. 1, in the present embodiment, the optical fiber adopted is the reflective coupled fiber 3 of Y type.The reflective coupled fiber of Y type comprises central optical fiber tube coupling, annular delivery optical fiber.
As Fig. 2, in some cases, light, after asymmetric sample reflection, produces the flare picture of undefined position, has larger deviation with the optical fiber of work.
As Fig. 3, by mobile working platform, adjustment flare image position, makes it accurately be coupled with fiber-optical probe center probe also overlapping.Now, the effective numerical aperture of the coupled fiber mated with measured object laser image spot be selected.
As Fig. 4, testee 1 is positioned over mobile working platform 2, testing light source 4 irradiates sample 1 by the reflective coupled fiber 3 of Y type, form flare picture, mobile working platform 2, adjustment flare image position, flare picture and the fiber-optical probe center probe be located on workbench 2 are coupled also overlapping, be transferred to spectrometer 5, collection signal
When there being multiple testing sample, multiple measured object can be adjusted to central detector receiving surface successively, and mate location survey successively fast.
To sum up, the present invention is guided by flare picture, and the spectral reflectance measurement for irregular surface object and nano sized particles sample provides coupling scheme rapidly and efficiently.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. carry out the method for signal coupling based on flare image position coupling, it is characterized in that: adopt light source by the fiber-optic illuminated testee be located on workbench, form flare picture; Mobile working platform, adjustment flare image position, makes flare picture and the fiber-optical probe center probe be located on workbench be coupled also overlapping, collection signal, described object is the transparent or semitransparent of irregular surface, and light can reflect in the inside of object.
2. method of carrying out signal coupling based on flare image position coupling according to claim 1, is characterized in that: the optical fiber adopted is the reflective coupled fiber of Y type.
3. method of carrying out signal coupling based on flare image position coupling according to claim 2, is characterized in that: the reflective coupled fiber of described Y type comprises central optical fiber tube coupling and annular delivery optical fiber.
4. method of carrying out signal coupling based on flare image position coupling according to claim 1, is characterized in that: described workbench comprises clear plate glass and optical fiber positioning device.
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| CN103308164B true CN103308164B (en) | 2016-02-24 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201344905Y (en) * | 2009-02-05 | 2009-11-11 | 光驰科技(上海)有限公司 | Spectral measurement device used for dielectric film reflector |
| CN102135448A (en) * | 2010-12-31 | 2011-07-27 | 天津大学 | Surface reflectance spectrum measuring method capable of preventing ambient light interference |
| CN102749287A (en) * | 2003-06-04 | 2012-10-24 | 突慧公司 | Measurements of optical inhomogeneity and other properties in substances using propagation modes of light |
| CN102967604A (en) * | 2012-11-06 | 2013-03-13 | 广州标旗电子科技有限公司 | Reflectance spectrum measuring and sampling system and method used for jewel detection |
| CN102980658A (en) * | 2012-11-14 | 2013-03-20 | 天津理工大学 | Micro optical fiber spectrograph |
| CN103090972A (en) * | 2013-01-14 | 2013-05-08 | 天津大学 | Compact type full spectrum optical measuring head device used for reflection difference spectral measurement |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006145280A (en) * | 2004-11-17 | 2006-06-08 | Kiyomi Teramae | Evaluation device and evaluation method on jewel |
| US7193694B2 (en) * | 2005-05-02 | 2007-03-20 | William Underwood | Method for grading gemstone cut and symmetry |
| US7671986B2 (en) * | 2007-07-30 | 2010-03-02 | Bwt Property, Inc | Spectroscopy apparatus based on hetero-junction phototransistors |
| EP2274594A4 (en) * | 2008-04-25 | 2013-07-31 | Univ Duke | Systems and methods for performing optical spectroscopy using a self-calibrating fiber optic probe |
-
2013
- 2013-05-29 CN CN201310207403.9A patent/CN103308164B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749287A (en) * | 2003-06-04 | 2012-10-24 | 突慧公司 | Measurements of optical inhomogeneity and other properties in substances using propagation modes of light |
| CN201344905Y (en) * | 2009-02-05 | 2009-11-11 | 光驰科技(上海)有限公司 | Spectral measurement device used for dielectric film reflector |
| CN102135448A (en) * | 2010-12-31 | 2011-07-27 | 天津大学 | Surface reflectance spectrum measuring method capable of preventing ambient light interference |
| CN102967604A (en) * | 2012-11-06 | 2013-03-13 | 广州标旗电子科技有限公司 | Reflectance spectrum measuring and sampling system and method used for jewel detection |
| CN102980658A (en) * | 2012-11-14 | 2013-03-20 | 天津理工大学 | Micro optical fiber spectrograph |
| CN103090972A (en) * | 2013-01-14 | 2013-05-08 | 天津大学 | Compact type full spectrum optical measuring head device used for reflection difference spectral measurement |
Non-Patent Citations (2)
| Title |
|---|
| 光纤光谱仪在颜色在线测量中的应用;黎国梁等;《广东化工》;20081025;第35卷(第186期);第6-9页 * |
| 光纤探头式测色系统设计;孟宪江等;《吉林大学学报（信息科技版）》;20050131;第23卷(第1期);第112-116页 * |
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