CN109549621A - It is a kind of to receive and dispatch two-in-one test optical fiber cap and Near-infrared Brain activity detection device - Google Patents
It is a kind of to receive and dispatch two-in-one test optical fiber cap and Near-infrared Brain activity detection device Download PDFInfo
- Publication number
- CN109549621A CN109549621A CN201710888802.4A CN201710888802A CN109549621A CN 109549621 A CN109549621 A CN 109549621A CN 201710888802 A CN201710888802 A CN 201710888802A CN 109549621 A CN109549621 A CN 109549621A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- fiber
- cap
- detection device
- optic bundle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 230000007177 brain activity Effects 0.000 title abstract description 6
- 239000000835 fiber Substances 0.000 claims abstract description 52
- 230000003287 optical effect Effects 0.000 claims abstract description 40
- 210000003710 cerebral cortex Anatomy 0.000 claims abstract description 7
- 239000000523 sample Substances 0.000 claims abstract description 6
- 210000004556 brain Anatomy 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000003306 harvesting Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003925 brain function Effects 0.000 description 2
- 230000002490 cerebral effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002610 neuroimaging Methods 0.000 description 2
- 210000004761 scalp Anatomy 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 206010062575 Muscle contracture Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000701 chemical imaging Methods 0.000 description 1
- 208000006111 contracture Diseases 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005714 functional activity Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Two-in-one test optical fiber cap and Near-infrared Brain activity detection device are received and dispatched the invention discloses a kind of, cap test is equipped with Y type and receives and dispatches two-in-one fiber optic bundle, the entry port of incident optical beam is connected with light source, merge end through fibre-optical probe towards measured, the exit ports of reception optical fiber beam are connected with detector；The light beam that light source issues irradiates measured's cerebral cortex after incident optical beam, is transferred to detector by reception optical fiber beam after being reflected.The present invention is mounted on cap test by the way that Y type is received and dispatched two-in-one fiber optic bundle, so that detection device can receive reflected signal while emitting laser signal, significantly reduce the weight of cap test, make laser facula dispersion more uniform additionally by setting concavees lens and/or frosted layer and self-focusing collimation lens, user experience is further increased, the accuracy of detection is improved.
Description
Technical field
The invention belongs to Near-infrared Brain function detection equipment technical field more particularly to a kind of receive and dispatch two-in-one optical fiber survey
Try cap and Near-infrared Brain activity detection device.
Background technique
In recent years, with the development of near infrared light spectral imaging technology, the research of near infrared light spectrum imaging system achieve compared with
Big progress, wherein the near infrared light spectrum imaging system with continuous-wave mode is more prominent.Near-infrared Brain imaging technique is a kind of nothing
Invasive cortical functional activity detection means.Optical fiber type cerebral function imaging instrument principle be by optical fiber incidence all the way (or multichannel)
Laser is in human body head, then the multipath reception collecting fiber by being distributed in around launching fiber backs through and diffusion by cerebral cortex
The light returned, it is different using degree of absorption of the cerebral tissue to specific wavelength near infrared light, it is real to obtain the information inside brain
Now to the measurement of brain function, noninvasive real-time continuous detection is realized.Detection type optical fiber currently on the market is usually to emit and connect
Contracture from and transmitting All-in-One and receive All-in-One, this optical fiber has the characteristics that easy-to-use and production is simple, but this light
Fibre will increase number of fibers on cap test causes cap test overweight, and measured is made to generate sense of discomfort.In addition, laser has energy
The speciality of high concentration, if without processing in actual use, it may appear that acquired all the way in the reception optical fiber around launching fiber
The signal arrived is stronger, and the situation that other signals are all weaker, and the laser that energy height is concentrated, if being accidentally irradiated to people
Eye, is likely to result in certain injury.
Therefore it is badly in need of improving optical fiber and its cap test, mitigates the weight of cap test, and make the laser of fiber exit
Power dissipation is uniform, and brightness is soft, so that brain imaging test is more comfortable, data are more accurate and reliable.
Summary of the invention
In response to the problems existing in the prior art, the purpose of the present invention is to provide it is a kind of receive and dispatch two-in-one test optical fiber cap and
Near-infrared Brain activity detection device is mounted on cap test by unifying incident optical beam and reception optical fiber beam in a manner of Y type,
So that detection device can receive reflected signal while emitting laser signal, the weight of cap test is significantly reduced
Amount makes laser facula dispersion more uniform additionally by setting concavees lens and/or frosted layer and self-focusing collimation lens, into
One step improves user experience, improves the accuracy of detection.
To achieve the above object, the technical solution adopted by the present invention is that: it is a kind of to receive and dispatch two-in-one test optical fiber cap, it is described
Cap test is equipped with Y type and receives and dispatches two-in-one fiber optic bundle, and it includes two-way fiber optic bundle that the Y type, which receives and dispatches two-in-one fiber optic bundle, all the way light
Fine beam is incident optical beam, and another way fiber optic bundle is reception optical fiber beam, and two-way fiber optic bundle merges the photograph to form optical signal according to Y shape
It penetrates and merges end with light harvesting；The entry port of the incident optical beam is connected with the light source, and the merging end is through fibre-optical probe
Towards measured, the exit ports of the reception optical fiber beam are connected with detector；The light beam that the light source issues passes through incident light
Measured's cerebral cortex is irradiated after fine beam, is transferred to detector by reception optical fiber beam after being reflected.
Further, the incident optical beam is the optical fiber composition of single or more core diameter, and the reception optical fiber beam is more
Root silica fibre forms, and incident optical beam is located at center at the merging end, and reception optical fiber beam is equal as the center of circle using incident optical beam
Even arrangement.Two-way fiber optic bundle is placed parallel, hot spot fitting is close, approximate can regard under the occasion of near infrared gear detection demand
For a bit, that is, the conjunction Shu Gongneng of optical fiber is realized, also reduces technique requirement and cost needed for realizing, fibre-optical probe is installed
When on cap test, the weight of cap test can be mitigated significantly, increase the wear comfort of user, promote user experience.
Further, the merging end is from center outward successively including incident optical beam, insulation blocking jacket layer, reception optical fiber
Beam, outer jointing jacket layer.
Further, the optical fiber is from center outward successively including fibre core, clad and protection jacket layer.
Using the Near-infrared Brain free fiber detection device of any of the above-described cap test, the light source is sharp for emitting
The laser of light beam；The detector is APD detector；The APD detector is connected with signal acquisition/control module.It is described
The light beam that light source issues irradiates measured's cerebral cortex after incident optical beam, is transferred to after being reflected by reception optical fiber beam
Detector converts optical signals to power detection signal by detector, completes entire number eventually by signal acquisition and control module
According to treatment process.
Further, the input power of the laser beam and 3~5mW of output power difference range, it is ensured that laser loss is most
It is low, improve the precision of detection.
Further, a concavees lens are equipped between the laser and the entry port of incident optical beam.By laser
Homogenizer spreads out, and enters incident optical with multi-angle, prevents local adjacent reception fiber-optic signal stronger or weaker, mentions
The accuracy of high detection, and make the light for merging end sending comfortably soft.
Further, the optical fiber clad inner wall of the incident optical beam is equipped with frosted layer.The light beam that laser is emitted
Generating multi-angle remission by frosted layer prevents the fiber-optic signal of local adjacent reception fiber optic bundle to keep hot spot evenly dispersed
It is stronger or weaker.
Further, the merging end is equipped with self-focusing collimation lens.Standard is equipped in the tail end fibre core of the entry port
Straight device collimation lens, the transmission light dispersed in incident optical beam optical fiber can be transformed into collimated light or directional light project it is tested
Person's scalp improves the accuracy of detection.
Compared with prior art, the beneficial effects of the present invention are: the 1, present invention is by by incident optical beam and reception optical fiber
Beam is unified in a manner of Y type to be mounted on cap test, is reflected back so that detection device can receive while emitting laser signal
The signal come, significantly reduces the weight of cap test, increases the wear comfort of user, promotes user experience；2, by setting
It sets concavees lens and/or frosted layer and self-focusing collimation lens makes laser facula dispersion more uniform, further increase user
Experience improves the accuracy of Near-infrared Brain activity detection apparatus detection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that Y type of the present invention receives and dispatches two-in-one fiber optic bundle；
Fig. 2 is the section enlarged diagram that Y type of the present invention receives and dispatches that two-in-one fiber optic bundle merges end；
Fig. 3 is the section enlarged diagram for the simple optical fiber that Y type of the present invention receives and dispatches two-in-one fiber optic bundle；
Fig. 4 is a kind of structural schematic diagram of Near-infrared Brain free fiber detection device of the present invention；
In figure: 1, cap test；2, two-in-one fiber optic bundle is received and dispatched；3, incident optical beam；4, reception optical fiber beam；5, merge end；
7, light source；6, detector；8, insulation blocking jacket layer；9, outer jointing jacket layer；10, fibre core；11, clad；12, jacket layer is protected；13,
Concavees lens；14, self-focusing collimation lens.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution of the present invention is clearly and completely described, it is clear that
Described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, those of ordinary skill in the art's all other embodiment obtained under the conditions of not making creative work belong to
The scope of protection of the invention.
Embodiment one
As shown in Figure 1-3, a kind of receive and dispatch two-in-one test optical fiber cap 1, the cap test 1 is equipped with Y type transmitting-receiving two and closes
One fiber optic bundle 2, it includes two-way fiber optic bundle that the Y type, which receives and dispatches two-in-one fiber optic bundle 2, and fiber optic bundle is incident optical beam 3 all the way, another
Road fiber optic bundle is reception optical fiber beam 4, two-way fiber optic bundle merge according to Y shape to form the irradiation of optical signal and light harvesting merge end 5；Institute
The entry port for stating incident optical beam 3 is connected with the light source 7, the merging end 5 through fibre-optical probe towards measured, it is described to connect
The exit ports for receiving fiber optic bundle 4 are connected with detector 6；The light beam that the light source 7 issues irradiates tested after incident optical beam 3
Person's cerebral cortex is transferred to detector 6 by reception optical fiber beam 4 after being reflected.
As preferably a kind of embodiment of the present embodiment, the incident optical beam 3 is the optical fiber of single or more core diameter
Composition, the reception optical fiber beam 4 are more silica fibre compositions, and incident optical beam 3 is located at center at the merging end 5, receives
Fiber optic bundle 4 is that the center of circle is uniformly arranged with incident optical beam 3.
Two-way fiber optic bundle is placed parallel, hot spot fitting is close, can be approximate under the occasion of near infrared gear detection demand
It is considered as a bit, that is, realizes the conjunction Shu Gongneng of optical fiber, also reduces technique requirement and cost needed for realizing, fibre-optical probe is pacified
When on cap test 1, the weight of cap test 1 can be mitigated significantly, increase the wear comfort of user, promote user experience.
As the present embodiment preferred embodiment, the merging end 5 from center outward successively include incident optical beam 3,
Insulation blocking jacket layer 8, reception optical fiber beam 4, outer jointing jacket layer 9.
As the present embodiment preferred embodiment, the optical fiber is from center outward successively including fibre core 10, clad 11
With protection jacket layer 12.Clad 11 uses fluoropolymer, and the protection jacket layer 12 selects silica gel hose, and outer dimension can root
According to the dimensional variations of the optical fiber, the silica gel hose while protecting optical fiber well, additionally it is possible to guarantee the softness of optical fiber
Degree, convenient near infrared gear acquisition operation.
Embodiment two
As shown in figure 4, a kind of Near-infrared Brain free fiber detection device, using cap test 1, light source described in embodiment one
7 be laser for emitting laser beams；The detector 6 is APD detector 6；The APD detector 6 and signal acquisition/control
Molding block is connected.The light beam that the light source 7 issues irradiates measured's cerebral cortex after incident optical beam 3, passes through after being reflected
It crosses reception optical fiber beam 4 and is transferred to detector 6, power detection signal is converted optical signals to by detector 6, eventually by signal acquisition
And control module completes entire data handling procedure.
As the present embodiment preferred embodiment, the input power of the laser beam and output power difference range 3~
5mW, it is ensured that laser loss is minimum, improves the precision of detection.
As the present embodiment preferred embodiment, it is equipped between the laser and the entry port of incident optical beam 3
One concavees lens 13.
As the further improved embodiment of the present embodiment, 11 inner wall of optical fiber clad of the incident optical beam 3 is set
There is frosted layer.The light beam of laser transmitting, which is generated multi-angle remission by frosted layer, prevents office to keep hot spot evenly dispersed
The fiber-optic signal of portion's adjacent reception fiber optic bundle 4 is stronger or weaker.
As the further improved embodiment of the present embodiment, the merging end 5 is equipped with self-focusing collimation lens 14.It is described
Collimator collimation lens, the transmission light that can will disperse in 3 optical fiber of incident optical beam are equipped in the tail end fibre core 10 of entry port
It is transformed into collimated light or directional light projects measured's scalp, improves the accuracy of detection.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of receive and dispatch two-in-one test optical fiber cap, which is characterized in that the cap test is equipped with Y type and receives and dispatches two-in-one optical fiber
Beam, it includes two-way fiber optic bundle that the Y type, which receives and dispatches two-in-one fiber optic bundle, and fiber optic bundle is incident optical beam, another way fiber optic bundle all the way
For reception optical fiber beam, two-way fiber optic bundle merge according to Y shape to form the irradiation of optical signal and light harvesting merge end；The incident optical
The entry port of beam is connected with the light source, and through fibre-optical probe towards measured, the reception optical fiber beam goes out at the merging end
Port is penetrated to be connected with detector；The light beam that the light source issues irradiates measured's cerebral cortex after incident optical beam, anti-
Detector is transferred to by reception optical fiber beam after penetrating.
2. a kind of two-in-one test optical fiber cap is received and dispatched according to claim 1, which is characterized in that the incident optical beam
For the optical fiber composition of single or more core diameter, the reception optical fiber beam is more silica fibre compositions, incidence at the merging end
Fiber optic bundle is located at center, and reception optical fiber beam is uniformly arranged using incident optical beam as the center of circle.
3. a kind of two-in-one test optical fiber cap is received and dispatched according to claim 2, which is characterized in that the merging end is therefrom
The heart successively includes incident optical beam, insulation blocking jacket layer, reception optical fiber beam, outer jointing jacket layer outward.
4. a kind of two-in-one test optical fiber cap is received and dispatched according to claim 2, which is characterized in that the optical fiber is from center
It outward successively include fibre core, clad and protection jacket layer.
5. using the Near-infrared Brain free fiber detection device of any cap test of Claims 1 to 4, which is characterized in that institute
Stating light source is laser for emitting laser beams；The detector is APD detector；The APD detector and signal acquisition/
Control module is connected.
6. a kind of two-in-one Near-infrared Brain free fiber detection device is received and dispatched according to claim 5, which is characterized in that
The input power and 3~5mW of output power difference range of the laser beam.
7. a kind of two-in-one Near-infrared Brain free fiber detection device is received and dispatched according to claim 5, which is characterized in that
A concavees lens are equipped between the laser and the entry port of incident optical beam.
8. a kind of two-in-one Near-infrared Brain free fiber detection device is received and dispatched according to claim 5, which is characterized in that
The optical fiber clad inner wall of the incident optical beam is equipped with frosted layer.
9. it is according to claim 7 or 8 it is a kind of receive and dispatch two-in-one Near-infrared Brain free fiber detection device, feature exists
In the merging end is equipped with self-focusing collimation lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710888802.4A CN109549621A (en) | 2017-09-27 | 2017-09-27 | It is a kind of to receive and dispatch two-in-one test optical fiber cap and Near-infrared Brain activity detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710888802.4A CN109549621A (en) | 2017-09-27 | 2017-09-27 | It is a kind of to receive and dispatch two-in-one test optical fiber cap and Near-infrared Brain activity detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109549621A true CN109549621A (en) | 2019-04-02 |
Family
ID=65863414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710888802.4A Pending CN109549621A (en) | 2017-09-27 | 2017-09-27 | It is a kind of to receive and dispatch two-in-one test optical fiber cap and Near-infrared Brain activity detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109549621A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176522A (en) * | 2021-12-09 | 2022-03-15 | 武汉资联虹康科技股份有限公司 | Near-infrared brain function imaging system with flexibly configurable channels |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2421510Y (en) * | 2000-04-13 | 2001-02-28 | 南京春辉科技实业有限公司 | Optical fibre poor light illuminator |
| CN1752797A (en) * | 2005-10-27 | 2006-03-29 | 中国科学院上海光学精密机械研究所 | Improve the device of uniformity of laser beam |
| CN201042433Y (en) * | 2007-04-28 | 2008-04-02 | 马剑文 | Living body tissue optical detector |
| CN101849821A (en) * | 2010-06-13 | 2010-10-06 | 华中科技大学 | Optical fiber near-infrared spectrometer |
| CN202083626U (en) * | 2010-12-24 | 2011-12-21 | 安徽皖仪科技股份有限公司 | Laser gas analyzer for self-focusing lens collimation |
| CN203745642U (en) * | 2014-03-22 | 2014-07-30 | 中国科学院合肥物质科学研究院 | Coaxial micro pulse laser radar device based on Y-type optical fiber bundle |
| CN104107051A (en) * | 2014-07-31 | 2014-10-22 | 中国科学院自动化研究所 | Portable multiple brain region blood oxygen detection and real-time display system |
| CN106324966A (en) * | 2016-11-18 | 2017-01-11 | 四川长虹电器股份有限公司 | Laser light source illumination system |
| CN106772838A (en) * | 2017-01-18 | 2017-05-31 | 中国科学院上海光学精密机械研究所 | Laser radar light splitting fiber coupling device |
-
2017
- 2017-09-27 CN CN201710888802.4A patent/CN109549621A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2421510Y (en) * | 2000-04-13 | 2001-02-28 | 南京春辉科技实业有限公司 | Optical fibre poor light illuminator |
| CN1752797A (en) * | 2005-10-27 | 2006-03-29 | 中国科学院上海光学精密机械研究所 | Improve the device of uniformity of laser beam |
| CN201042433Y (en) * | 2007-04-28 | 2008-04-02 | 马剑文 | Living body tissue optical detector |
| CN101849821A (en) * | 2010-06-13 | 2010-10-06 | 华中科技大学 | Optical fiber near-infrared spectrometer |
| CN202083626U (en) * | 2010-12-24 | 2011-12-21 | 安徽皖仪科技股份有限公司 | Laser gas analyzer for self-focusing lens collimation |
| CN203745642U (en) * | 2014-03-22 | 2014-07-30 | 中国科学院合肥物质科学研究院 | Coaxial micro pulse laser radar device based on Y-type optical fiber bundle |
| CN104107051A (en) * | 2014-07-31 | 2014-10-22 | 中国科学院自动化研究所 | Portable multiple brain region blood oxygen detection and real-time display system |
| CN106324966A (en) * | 2016-11-18 | 2017-01-11 | 四川长虹电器股份有限公司 | Laser light source illumination system |
| CN106772838A (en) * | 2017-01-18 | 2017-05-31 | 中国科学院上海光学精密机械研究所 | Laser radar light splitting fiber coupling device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176522A (en) * | 2021-12-09 | 2022-03-15 | 武汉资联虹康科技股份有限公司 | Near-infrared brain function imaging system with flexibly configurable channels |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6041247A (en) | Non-invasive optical measuring sensor and measuring method | |
| US9757040B2 (en) | Short-wave infrared super-continuum lasers for early detection of dental caries | |
| CN103501707B (en) | Photoacoustic measurement device, probe unit used in same, and endoscope | |
| US20150005613A1 (en) | Method and apparatus to enhance light illuminating intensity and diffusivity | |
| CN101849821B (en) | Optical fiber near-infrared spectrometer | |
| US20170027447A1 (en) | System and method for improved light delivery to and from subjects | |
| EP0781527B1 (en) | Non-invasive optical sensor | |
| WO2012147326A1 (en) | Photoacoustic measurement device and probe unit used in same | |
| CN1953704A (en) | Photoplethysmography with a spatially homogenous multi-color source | |
| JPH04106748U (en) | Optical biomeasuring device | |
| CN209678479U (en) | It is a kind of to receive and dispatch two-in-one test optical fiber cap and Near-infrared Brain activity detection device | |
| Moffitt et al. | Sized-fiber reflectometry for measuring local optical properties | |
| CN109589093B (en) | Photoacoustic probe and optical system for photoacoustic imaging | |
| CN109549621A (en) | It is a kind of to receive and dispatch two-in-one test optical fiber cap and Near-infrared Brain activity detection device | |
| CN110537926A (en) | Needle, device and method for detecting hemoglobin concentration and blood oxygen saturation | |
| JP5565837B2 (en) | Probe device for biological light measurement | |
| CN207529040U (en) | The launching fiber that a kind of laser uniformly disperses | |
| CN103018823B (en) | Compound-glass optical fiber bundle device | |
| CN116138875B (en) | Interventional intravascular three-mode imaging, ablation and auxiliary temperature measurement integrated catheter | |
| CN101461985A (en) | Plug and play medical laser acupuncture | |
| CN103837927B (en) | Near-infrared cerebration detecting emitting optical fiber | |
| CN116784841A (en) | Novel optical fiber diffusion time resolution probe system for brain-computer interface | |
| CN207529041U (en) | The multicore launching fiber that a kind of laser uniformly disperses | |
| JP3872878B2 (en) | Measuring probe | |
| US8498507B2 (en) | Anti-reflective launch optics for laser to fiber coupling in a photoplethysmograpic device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |