CN104237128A - Fixed device and measuring method for light transmittance measurement - Google Patents
Fixed device and measuring method for light transmittance measurement Download PDFInfo
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- CN104237128A CN104237128A CN201410504924.5A CN201410504924A CN104237128A CN 104237128 A CN104237128 A CN 104237128A CN 201410504924 A CN201410504924 A CN 201410504924A CN 104237128 A CN104237128 A CN 104237128A
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Abstract
The invention discloses a fixed device for detecting light transmittance of a small-sized optical device (an optical filter IR/Lens/Window Glass) through a Shimadzu (SHIMADZU) ultraviolet-visible spectrophotometer UV-1800; when the light transmittance of a sample is measured, two beams of parallel light permeate fixed plate diaphragm holes in a reference end and a sample end, the sample is fixed in a diaphragm hole in the sample end, and the transmission of the sample with any wavelength is analyzed by detecting the intensity that the light beams permeate the sample, so that the problem that a small-sized sample cannot be measured by an original sample holder. The fixed device is simple in structure, reasonable in design and simple and convenient in operation, effectively makes up self defects of an instrument of UV-1800, solves the problem that the base line of an independently-designed small-area light-transmitting hole holder is not stable, ensures the reliability and stability in detection of light transmittance, improves the accuracy, and is very obvious in effect.
Description
Technical field
The present invention relates to optical technical field, particularly a kind of stationary installation to compact optical device determination of light transmittance and assay method.
Background technology
Spectral transmittance is one of important performance characteristic of the device of optics, the transmitance of sample when generally directly can measure arbitrary wavelength by double beam spectrophotometer (as UV-1800).But the sample cell shelf light clear size of opening carried in UV-1800 spectrophotometer is larger, Size is (30mm*10mm), and for cell-phone camera head module, optical device size less (eyeglass that Lens is less is φ 2mm), cannot be placed directly in sample to carry on the frame of former pond and measure.And the pond frame that the light clear size of opening of designed, designed is less (comprising sample cell shelf and corresponding reference cell frame), the symmetry of experiment proof two light path is poor, affect stability during baseline correction, the repeatability of mensuration and accuracy are reduced, thus the accuracy of impact analysis, cannot monitor goods, materials and equipments quality.
Given this, a kind of stationary installation and the assay method that compact optical device are carried out to determination of light transmittance of simple to operate, Be very effective are provided.
Summary of the invention
The object of this invention is to provide a kind of stationary installation and assay method of determination of light transmittance, when utilizing prior art to measure to solve, because the accuracy analyzed is poor, thus the problem cannot monitored goods, materials and equipments quality.
For realizing object of the present invention, the invention provides a kind of stationary installation of determination of light transmittance, described stationary installation comprises reference end and sample end, described reference end and sample end include fixed head, described fixed head is tabular, and be all inserted on the frame of instrument raw sample pond, reference end fixed head is identical with the size of sample end fixed head, the centre of described reference end fixed head and sample end fixed head is provided with aperture, and the size of described aperture and position completely the same; Described sample end fixed head also comprises the multiple equidistant circular ring marks lines with one heart around aperture design, and the center of the aperture that described sample end fixed head is arranged, described mark line center, described instrument raw sample Chi Jia center and light source primary optical axis are on the same line.
Further, the size of described reference end fixed head and sample end fixed head is suitable with former instrument fixed support size.
Further, described reference end fixed head and sample end fixed head all adopt aluminum alloy materials to make, and surface blackening process, coating is even.
Correspondingly, present invention also offers a kind of assay method being applied to the stationary installation of above-mentioned determination of light transmittance, comprising:
A. first by reference end fixed head and sample end fixed head inserting instrument raw sample pond frame, edge and described instrument raw sample pond frame fixed head justified margin, cover instrument upper cover, carry out baseline correction after signal stabilization, reach 100% baseline steady;
B. the monochromator in instrument is divided into parallel double light beam light source single beam chopper, makes the aperture respectively through reference end fixed head and sample end fixed head;
C. testing sample is fixed on the aperture place of sample end fixed head, is positioned by the mark line around aperture, ensure sample center and aperture center superposition.
D. light beam is through after sample, detector signal collect, then after micro current amplifier and the process of A/C converter Signal aspects, can sample transmittance be recorded.
Beneficial effect of the present invention is, compared with the prior art, when the present invention relates to and carries out determination of light transmittance to sample, two bundle directional lights are respectively through reference end and sample end fixed head aperture, sample is fixed on sample end aperture place, analyzed the transmitance of arbitrary wavelength sample by the intensity after sample by detection light beam, its structure is simple, reasonable in design, easy and simple to handle, effectively compensate for the defect of prior art Instrumental itself, solve designed, designed small size light hole pond frame unstability of base line and determine problem, ensure the reliability that transmittance detects and stability, improve accuracy, effect highly significant.
Accompanying drawing explanation
Fig. 1 is apparatus structure schematic diagram provided by the invention;
Fig. 2 is sample end structural representation provided by the invention;
In figure: 1-reference end fixed head, 2-sample end fixed head, 3-aperture, 4-mark line, 5-instrument raw sample pond frame.
Embodiment
In order to make object of the present invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be understood to specific embodiment described herein only in order to explain the present invention, be not limited to protection scope of the present invention.
As shown in Figure 1 and Figure 2, the invention provides a kind of stationary installation of determination of light transmittance, described stationary installation comprises reference end and sample end, described reference end and sample end include fixed head, described fixed head is tabular, and be all inserted on the frame of instrument raw sample pond, reference end fixed head is identical with the size of sample end fixed head, the centre of described reference end fixed head and sample end fixed head is provided with aperture, and the size of described aperture and position completely the same; Described sample end fixed head also comprises the multiple equidistant circular ring marks lines with one heart around aperture design, and the center of the aperture that described sample end fixed head is arranged, described mark line center, described instrument raw sample Chi Jia center and light source primary optical axis are on the same line.
It should be noted that, above-mentioned compact optical device can be optical filter IR/Lens/Window Glass etc.; Above-mentioned instrument can be Shimadzu (SHIMADZU) ultraviolet-visible spectrophotometer UV-1800.Above-mentioned fixed head all can direct inserting instrument raw sample pond frame, and in this stationary installation size and former pond frame, baffle dimensions is suitable, and location is convenient, and test result repeatability is good.Above-mentioned sample end designs the equidistant circular ring marks line of series of concentric, to facilitate Sample location around aperture.The fixed head size of designed, designed of the present invention is suitable with former instrument fixed support size, and during inserting instrument raw sample pond frame, one step location, both ensure that the reliability that transmittance detects and stability, and improve degree of accuracy simultaneously.Described reference end and sample end fixed head adopt aluminum alloy materials to make, surface blackening process, and coating is evenly firm, no reflection events phenomenon.
Correspondingly, present invention also offers a kind of assay method being applied to the stationary installation of above-mentioned determination of light transmittance, during application, as shown in Figure 1, first by reference end fixed head and sample end fixed head inserting instrument raw sample pond frame, edge and instrument raw sample pond frame fixed head justified margin, cover instrument upper cover, carry out baseline correction after signal stabilization, 100% baseline is steady; When carrying out the scanning of automatic range of wavelengths, all blank correction must be carried out in each wavelength location, therefore reference end fixed head and sample end fixed head are set, monochromator in instrument is divided into parallel double light beam light source single beam chopper, makes the aperture respectively through reference end fixed head and sample end fixed head; Use when sample analysis double faced adhesive tape sample to be fixed on sample end fixed head diaphragm place, ensure sample center and diaphragm center point-blank; Testing sample double faced adhesive tape is fixed on the aperture place of sample end fixed head, positioned by aperture surrounding markings line, ensure sample center and aperture center superposition, light beam is through after sample, detector (photomultiplier) signal collection, Signal aspects after micro current amplifier and the process of A/C converter, can record sample transmittance again.The annex spare unit that this device is used for when detecting compact optical device transmittance use, and simple to operate, convenient and swift, result is accurate.
The invention discloses one and be applicable to the sample fixing device that Shimadzu (SHIMADZU) ultraviolet-visible spectrophotometer UV-1800 detects compact optical device (optical filter IR/Lens/Window Glass) transmittance, when determination of light transmittance is carried out to sample, two bundle directional lights are respectively through reference end and sample end fixed head aperture, sample is fixed on sample end aperture place, analyzed the transmitance of arbitrary wavelength sample by detection light beam by the intensity after sample, solve and utilize raw sample pond frame to the unmeasured problem of small sample.Its structure is simple, reasonable in design, easy and simple to handle, effectively compensate for the defect of UV-1800 instrument itself, solve designed, designed small size light hole pond frame unstability of base line and determine problem, ensure the reliability that transmittance detects and stability, improve accuracy, effect highly significant.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. the stationary installation of a determination of light transmittance, it is characterized in that, described stationary installation comprises reference end and sample end, described reference end and sample end include fixed head, described fixed head is tabular, and be all inserted on the frame of instrument raw sample pond, reference end fixed head is identical with the size of sample end fixed head, the centre of described reference end fixed head and sample end fixed head is provided with aperture, and the size of described aperture and position completely the same; Described sample end fixed head also comprises the multiple equidistant circular ring marks lines with one heart around aperture design, and the center of the aperture that described sample end fixed head is arranged, described mark line center, described instrument raw sample Chi Jia center and light source primary optical axis are on the same line.
2. the stationary installation of determination of light transmittance according to claim 1, is characterized in that, the size of described reference end fixed head and sample end fixed head is suitable with former instrument fixed support size.
3. the stationary installation of determination of light transmittance according to claim 1 and 2, is characterized in that, described reference end fixed head and sample end fixed head all adopt aluminum alloy materials to make, and surface blackening process, coating is even.
4. application rights requires an assay method for the stationary installation of the determination of light transmittance described in 1 or 2, it is characterized in that, comprising:
A. first by reference end fixed head and sample end fixed head inserting instrument raw sample pond frame, edge and described instrument raw sample pond frame fixed head justified margin, cover instrument upper cover, carry out baseline correction after signal stabilization, reach 100% baseline steady;
B. the monochromator in instrument is divided into parallel double light beam light source single beam chopper, makes the aperture respectively through reference end fixed head and sample end fixed head;
C. testing sample is fixed on the aperture place of sample end fixed head, is positioned by the mark line around aperture, ensure sample center and aperture center superposition.
D. light beam is through after sample, detector signal collect, then after micro current amplifier and the process of A/C converter Signal aspects, can sample transmittance be recorded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410504924.5A CN104237128A (en) | 2014-09-26 | 2014-09-26 | Fixed device and measuring method for light transmittance measurement |
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| CN201410504924.5A CN104237128A (en) | 2014-09-26 | 2014-09-26 | Fixed device and measuring method for light transmittance measurement |
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| CN104237128A true CN104237128A (en) | 2014-12-24 |
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| CN201410504924.5A Pending CN104237128A (en) | 2014-09-26 | 2014-09-26 | Fixed device and measuring method for light transmittance measurement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699336A (en) * | 2016-03-24 | 2016-06-22 | 深圳怡化电脑股份有限公司 | Method, system and device for detecting luminousness of medium pervious to light |
| CN107576638A (en) * | 2017-09-28 | 2018-01-12 | 上海瑞纺仪器有限公司 | A kind of Antiultraviolet performance measuring instrument corrector strip |
| WO2020047959A1 (en) * | 2018-09-03 | 2020-03-12 | 重庆惠科金渝光电科技有限公司 | Transmittance detection method, apparatus and computer-readable storage medium |
| US10859494B2 (en) | 2018-09-03 | 2020-12-08 | Chongqing Hkc Optoelectronics Technology Co., Ltd. | Transmittance measuring method, device and computer readable storage medium |
| CN113324935A (en) * | 2021-06-03 | 2021-08-31 | 武汉致腾科技有限公司 | Road fog detection device based on multiple spectra and detection method thereof |
| CN118090675A (en) * | 2024-04-25 | 2024-05-28 | 深圳市安保医疗感控科技股份有限公司 | Light transmittance detection method of medical film |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05157693A (en) * | 1991-12-03 | 1993-06-25 | Dainippon Printing Co Ltd | Instrument and method for measuring light transmittance of light shielding material |
| CN1092167A (en) * | 1992-12-21 | 1994-09-14 | 庄臣及庄臣视力产品有限公司 | A kind of lens inspection system |
| CN1776403A (en) * | 2004-11-18 | 2006-05-24 | 优志旺电机株式会社 | Microchip testing device and components thereof |
| CN103185696A (en) * | 2011-12-27 | 2013-07-03 | 国家纳米科学中心 | Solid sample carrying stage, spectrophotometer and LSPR (localized surface plasma resonance) detection method |
| CN203287302U (en) * | 2013-04-17 | 2013-11-13 | 尤尼柯（上海）仪器有限公司 | Structure system of ultramicro-accessory |
-
2014
- 2014-09-26 CN CN201410504924.5A patent/CN104237128A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05157693A (en) * | 1991-12-03 | 1993-06-25 | Dainippon Printing Co Ltd | Instrument and method for measuring light transmittance of light shielding material |
| CN1092167A (en) * | 1992-12-21 | 1994-09-14 | 庄臣及庄臣视力产品有限公司 | A kind of lens inspection system |
| CN1776403A (en) * | 2004-11-18 | 2006-05-24 | 优志旺电机株式会社 | Microchip testing device and components thereof |
| CN103185696A (en) * | 2011-12-27 | 2013-07-03 | 国家纳米科学中心 | Solid sample carrying stage, spectrophotometer and LSPR (localized surface plasma resonance) detection method |
| CN203287302U (en) * | 2013-04-17 | 2013-11-13 | 尤尼柯（上海）仪器有限公司 | Structure system of ultramicro-accessory |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699336A (en) * | 2016-03-24 | 2016-06-22 | 深圳怡化电脑股份有限公司 | Method, system and device for detecting luminousness of medium pervious to light |
| CN107576638A (en) * | 2017-09-28 | 2018-01-12 | 上海瑞纺仪器有限公司 | A kind of Antiultraviolet performance measuring instrument corrector strip |
| WO2020047959A1 (en) * | 2018-09-03 | 2020-03-12 | 重庆惠科金渝光电科技有限公司 | Transmittance detection method, apparatus and computer-readable storage medium |
| US10859494B2 (en) | 2018-09-03 | 2020-12-08 | Chongqing Hkc Optoelectronics Technology Co., Ltd. | Transmittance measuring method, device and computer readable storage medium |
| CN113324935A (en) * | 2021-06-03 | 2021-08-31 | 武汉致腾科技有限公司 | Road fog detection device based on multiple spectra and detection method thereof |
| CN118090675A (en) * | 2024-04-25 | 2024-05-28 | 深圳市安保医疗感控科技股份有限公司 | Light transmittance detection method of medical film |
| CN118090675B (en) * | 2024-04-25 | 2024-08-30 | 深圳市安保医疗感控科技股份有限公司 | Light transmittance detection method of medical film |
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