CN209595711U - All -fiber Terahertz endoscopic system - Google Patents
All -fiber Terahertz endoscopic system Download PDFInfo
- Publication number
- CN209595711U CN209595711U CN201821518751.2U CN201821518751U CN209595711U CN 209595711 U CN209595711 U CN 209595711U CN 201821518751 U CN201821518751 U CN 201821518751U CN 209595711 U CN209595711 U CN 209595711U
- Authority
- CN
- China
- Prior art keywords
- terahertz
- signal
- optical fiber
- laser signal
- laser
- 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.)
- Active
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model discloses a kind of all -fiber Terahertz endoscopic systems, the Terahertz endoscopic system conducts optical fiber for the inside of terahertz detection module booting to object under test by the first conduction optical fiber of setting and second, the generation and reception of terahertz detection signal are realized in the inside of object under test by the process of the Terahertz reflection signal of the internal reflection of object under test, and then achieve the purpose that the inside of measuring targets is detected, further, all optical fibre structure is used in Terahertz endoscopic system, it enables system structure more compact, reduces system bulk.
Description
Technical field
The utility model relates to Terahertz detection fields, in particular to a kind of all -fiber Terahertz endoscopic system.
Background technique
In medical treatment detection, lesion finds more early that the difficulty of healing is lower.The discovery of early stage and timely treat for
As for cancer and its important, more it is avoided that some diseases development is cancer.Medical endoscope system plays in clinical detection
Important role is mainly used for the detection of inside of human body lesion.It can enter by the natural duct of human body or small notch
In body, detected by lesion of the endoscope to inside of human body.
Existing medical endoscope system is based primarily upon optics harmony imaging method, to obtain the optical imagery in enteron aisle
Information or acoustic picture information.Although the method based on optical imagery can clearly reflect the intracorporal organ of human body, malignant tumour
Deng formalness, pathological tissues can be distinguished on to a certain extent, but be only able to detect some obvious tables
Face lesion, sensitivity are lower；Method based on acoustics imaging, although the intracorporal organ-tissue of human body can be imaged,
The lesion of microtissue can not be filtered out, image resolution ratio is low.
It is many based on the study found that THz wave has the characteristics that harmless, photon energy is low and to water sensitive
The transition between transition and rotational energy level between large biological molecule vibration level is exactly in Terahertz frequency range, and sick cell
Metabolism is more vigorous, therefore THz wave has very big application value in medical detecting method.
Utility model content
In view of this, the present invention provides a kind of all -fiber Terahertz endoscopic system, all -fibers of the utility model
Terahertz endoscopic system can enable the structure of Terahertz endoscopic system more compact.
The utility model provides a kind of all -fiber Terahertz endoscopic system, and the Terahertz endoscopic system includes:
Fiber pulse laser light source, for providing pulse laser；Optical fiber is coupled, is connected with the fiber pulse laser light source
It connects, is used for transmission the pulse laser；
Beam splitter is connect with the coupling optical fiber, is swashed for the laser signal to be divided into first laser signal and second
Optical signal；
First conduction optical fiber and the second conduction optical fiber, connect, for believing the first laser respectively with the beam splitter
Number and the second laser signal transmitted, wherein it is described first conduction optical fiber transmission path on be provided with fiber-draw
Device；
Terahertz detection module is connect, by described the respectively with the first conduction optical fiber and the second conduction optical fiber
One conduction optical fiber and the second conduction fiber guides are to the inside of object under test, for receiving the first laser signal, base
In the first laser signal radiation terahertz detection signal, using the terahertz detection signal in the object under test
Portion is scanned；And using the second laser signal to the Terahertz of the internal reflection of the object under test reflect signal into
Row feature extraction.
In one embodiment, the terahertz detection module includes at least:
Submodule occurs for Terahertz, connect with the first conduction optical fiber, for receiving the first laser signal, is based on
The first laser signal radiation terahertz detection signal, using the terahertz detection signal to the inside of the object under test
It is scanned；
Feature extraction submodule is connect, for receiving the second laser signal and described with the second conduction optical fiber
Signal is reflected based on the Terahertz of the terahertz detection signal reflex in the inside of object under test, to be believed using the second laser
Number to the Terahertz reflection signal carry out feature extraction.
In one embodiment, the interval angles between submodule and the feature extraction submodule occur for the Terahertz
Angle value correspond to inside of the terahertz detection signal relative to the object under test incidence angle.
In one embodiment, the Terahertz occurs submodule and chip occurs including at least Terahertz, for receiving
The first laser signal of the first conduction optical fiber transmission is stated, and based on terahertz detection described in the first laser signal radiation
Signal is scanned with the inside using the terahertz detection signal measuring targets.
In one embodiment, submodule occurs for the Terahertz further include:
The incident side that chip occurs for the Terahertz is arranged in first lens subassembly, for the first conduction optical fiber
The first laser signal of transmission is focused；
The exiting side that chip occurs for the Terahertz is arranged in second lens subassembly, for core to occur to the Terahertz
The terahertz detection signal of piece conversion is focused.
In one embodiment, the feature extraction submodule includes at least detection chip, for receiving by described the
It is anti-that the second laser signal of two conduction optical fiber transmission and the inside of the object under test are based on the terahertz detection signal
The Terahertz reflection signal penetrated, and feature extraction is carried out to Terahertz reflection signal using the second laser signal.
In one embodiment, the feature extraction submodule further include:
The first incident side of the detection chip is arranged in the third lens component, for passing to the second conduction optical fiber
The defeated second laser signal is focused；
The second incident side of the detection chip is arranged in 4th lens subassembly, for reflecting signal to the Terahertz
It is focused.
In one embodiment, the size of the terahertz detection module is grade.
In one embodiment, the coupling optical fiber is dispersion compensating fiber.
In one embodiment, the second conduction optical fiber is length time delay optical fiber corresponding with the fiber stretcher.
The utility model has the advantages that being different from the prior art, all -fiber Terahertz endoscopic system of the utility model includes optical fiber arteries and veins
Impulse radiant, for providing laser signal；Optical fiber is coupled, is connect with laser light source, is used for transmission laser signal；Beam splitter,
It is connect with coupling optical fiber, for laser signal to be divided into first laser signal and second laser signal；First conduction optical fiber and the
Two conduction optical fiber, connect, for transmitting to first laser signal and second laser signal respectively with beam splitter；Terahertz is visited
Module is surveyed, is connect respectively with the first conduction optical fiber and the second conduction optical fiber, by the first conduction optical fiber and the second conduction fiber guides
To the inside of object under test, for being based on first laser signal radiation terahertz detection signal, to utilize terahertz detection signal
The inside of measuring targets is scanned, and is reflected using Terahertz of the second laser signal to the internal reflection by object under test
Signal carries out feature extraction.By the first conduction optical fiber of setting and the second conduction optical fiber by terahertz detection module booting to be measured
The inside of object, the generation and reception of terahertz detection signal reflect signal by the Terahertz of the internal reflection of object under test
Process is realized in the inside of object under test, and then achievees the purpose that the inside of measuring targets is detected, further, too
All optical fibre structure is used in hertz endoscopic system, enables system structure more compact, reduces system bulk.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution in utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings, in which:
Fig. 1 is the structural schematic diagram of one embodiment of Terahertz endoscopic system of the utility model；
Fig. 2 is the structural schematic diagram of one embodiment of terahertz detection module in Fig. 1；
Fig. 3 is the structural schematic diagram of another embodiment of terahertz detection module in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not when making creative work
Every other embodiment obtained belongs to the range of the utility model protection.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of the Terahertz endoscopic system first embodiment of the utility model.Such as
Shown in Fig. 1, the Terahertz endoscopic system 100 of the present embodiment includes fiber pulse laser light source 110, coupling optical fiber 130, beam splitting
Device 120, first conducts optical fiber 140, second and conducts optical fiber 150 and terahertz detection module 160.Wherein, fiber pulse laser light
110 shoot laser signal of source, coupling optical fiber 130 is connect with fiber pulse laser light source 110, so that fiber pulse laser light source
The laser signal of 110 outgoing transmits in coupling optical fiber 130.Beam splitter 120 is connect with coupling optical fiber 130, i.e. beam splitter 120
The output end of coupling optical fiber 130 is set, the laser signal transmitted for coupling optical fiber 130 will to be received, and laser signal is divided
For first laser signal and second laser signal, the first conduction optical fiber 140 and the second conduction optical fiber 150 respectively with beam splitter 120
The connection of two output ports, for receiving first laser signal and second laser signal respectively, so that first laser signal exists
It is transmitted in first conduction optical fiber 140, second laser signal transmits in the second conduction optical fiber 150.Terahertz detection module 160 is then
It is connect respectively with the first conduction optical fiber 140 and the second conduction optical fiber 150, passes through the first conduction optical fiber 140 and the second conduction optical fiber
150 extension enables terahertz detection module 160 to be directed to the inside of object under test 120.
Terahertz detection module 160 can receive first laser signal and second laser signal respectively.On the one hand, Terahertz
Detecting module 160 is based on first laser signal radiation terahertz detection signal, and utilizes terahertz detection signal measuring targets
120 inside is scanned, and is based on terahertz detection signal reflex Terahertz by the inside of object under test 120 and is reflected signal；Separately
On the one hand, terahertz detection module 160 receives second laser signal and is reflected by the Terahertz of the internal reflection of object under test 120
Signal carries out feature extraction to Terahertz reflection signal using second laser signal, and then can be according to the characteristic information of extraction
It is detected with the presence or absence of abnormal the inside of measuring targets 120.
In the present embodiment, terahertz detection module 160 connects lock-in amplifier, and lock-in amplifier is connected with processing equipment.
Terahertz detection module 160 carries out feature to received Terahertz reflection signal using received second laser signal 1202 and mentions
It takes, the characteristic signal extracted is transmitted to processing equipment (for example, computer, Intelligent treatment terminal, service by lock-in amplifier
Device etc.), object under test is prestored in processing equipment and is in normal condition, and Terahertz reflects signal prestoring after feature extraction
Characteristic signal；When detection, by second laser signal to Terahertz reflection signal carry out feature extraction detection characteristic signal with
Pre-stored characteristics signal is matched, if the two similarity is higher, then it is assumed that the two matching, the object under test being detected at this time is just
Often, otherwise, detected object under test is abnormal.
In the present embodiment, fiber pulse laser light source 110 can be optical fiber femtosecond laser light source, can in a concrete application
To use titanium gem femtosecond laser light source, central wavelength can be 800 nanometers, and pulsewidth can repeat frequency between 40~100 femtoseconds
Rate can be 40~100Mhz, and in the present embodiment, the pulsewidth of the laser light source 110 used is 70 femtosecond, repetition rate 83Mhz.
Coupling optical fiber 130 can be dispersion compensating fiber, can pre-compensate for laser signal dispersive broadening.Beam splitter 120 can be with
For fiber optic splitter, splitting ratio can be 5:5, or 4:6, the utility model are not specifically limited.
In the present embodiment, the size of terahertz detection module 160 is grade, it is possible thereby to easily be directed to relatively
The inside of object under test 170.
Further, the first conduction optical fiber 140 and the second conduction optical fiber 150 can be polarization maintaining optical fibre.Further regard to 1,
It is provided with fiber stretcher 141 in the transmission path of one conduction optical fiber 140, for stretching the first conduction optical fiber with certain frequency
140.One section of time delay optical fiber 151, the length and optical fiber of time delay optical fiber 151 are provided in the transmission path of second conduction optical fiber 150
Stretcher 141 is corresponding.Fiber stretcher stretches the first conduction optical fiber with certain frequency, so that second laser signal can be right
The Terahertz reflection signal of object under test reflection realizes equivalent sampling, extracts the Terahertz by object under test reflection and reflects signal
Signal characteristic.
The Terahertz endoscopic system 100 of the present embodiment will too using the first conduction optical fiber 140 and the second conduction optical fiber 150
Hertz detecting module 160 is guided to the inside of object under test 120, the generation and reception of the terahertz detection signal for scanning
It is realized in the inside of object under test 120 by the process of the Terahertz reflection signal of the internal reflection of object under test 120, Jin Erda
The purpose detected to the inside of measuring targets 120, further, Terahertz endoscopic system are transmitted using optical fiber, are simplified
System structure, keeps the system more compact.
Fig. 1 is further regarded to, the terahertz detection module 160 of the present embodiment includes that submodule 161 and spy occur for Terahertz
Levy extracting sub-module 162.Wherein, Terahertz generation submodule 161 is connect with the first conduction optical fiber 140, is swashed for receiving first
Optical signal, and it is based on first laser signal radiation terahertz detection signal, to utilize terahertz detection signal measuring targets 120
Inside be scanned；Feature extraction submodule 162 with second conduction optical fiber 150 connect, for receive second laser signal with
Signal is reflected by the Terahertz of the internal reflection of object under test 120, Terahertz reflection signal is carried out using second laser signal
Equivalent sampling, and then the signal characteristic of Terahertz reflection signal is extracted, realize the detection of the inside of measuring targets 120.
In the present embodiment, the mean power for the first laser signal that the first conduction optical fiber 140 exports is 12mW, and second passes
The mean power for the second laser signal that guiding fiber 150 exports is 6.8mW.
In the present embodiment, angle separated by a certain interval between submodule 161 and feature extraction submodule 162 occurs for Terahertz
The angle value of degree, the interval angles corresponds to incidence angle of the terahertz detection signal relative to the inside of the object under test, root
According to reflection law, the angle value of interval angles is substantially equal to 2 times of incidence angle θ, as shown in Figure 2.It should be noted that due to reality
Border application may will affect, and submodule 161 occurs for Terahertz and the actual detection of feature extraction submodule 162 in the process may
There is certain position variation, and influenced by preparation process, the angle value of interval angles needs not be equal to the 2 of incidence angle
Times, the present embodiment is provided with allowable range of error, the angle value of interval angles meets special in allowable range of error
Sign extracting sub-module 162, which can be received, reflects signal by the Terahertz of the internal reflection of object under test 120.
In the present embodiment, feature extraction submodule 162 connects lock-in amplifier, and lock-in amplifier connects processing equipment, by
The detection of the inside for the characteristic signal measuring targets 120 that processing equipment is obtained based on feature extraction.
Further, referring to Fig. 3, as shown in figure 3, submodule 161, which occurs, for the Terahertz of the present embodiment includes Terahertz hair
Raw chip 1613, in the present embodiment, it is photoconductive antenna that chip 1613, which occurs, for Terahertz.Wherein, chip 1613 occurs for Terahertz
First laser signal can be received, and is based on first laser signal radiation terahertz detection signal.Further as shown in figure 3, too
It further includes the first lens subassembly 1612 and the second lens subassembly 1614 that submodule 161, which occurs, for hertz, wherein the first lens subassembly
1612 are arranged in the incident side that chip 1613 occurs for Terahertz, and in Terahertz chip 1613 occurs for the setting of the second lens subassembly 1614
Exiting side.First lens subassembly 1612 is used for before by Terahertz the reception of chip 1613 occurs for first laser signal, to first
Laser signal is focused, and chip 1613 occurs to the acceptance rate of first laser signal to improve Terahertz；Second lens subassembly
After 1614 occur the generation terahertz detection signal of chip 1613 for Terahertz, terahertz detection signal is polymerize.In addition,
It further includes the first ferrule 1611 before the first lens subassembly 1612 is arranged in that submodule 161, which occurs, for Terahertz, wherein the
One ferrule 1611 is used to connect with the first conduction optical fiber 140, and fixes the first conduction optical fiber 140, first laser signal warp
It crosses after the first ferrule 1611 as free space optical, is then occurred after the focusing of the first lens subassembly 1612 by Terahertz
Chip 1613 receives.
In the present embodiment, chip 1613 and second occurs for the first ferrule 1611, the first lens subassembly 1612, Terahertz
Lens subassembly 1614 can be fixed by polymer resin and constitute compact-sized probe structure.Further, the first lens subassembly
1612 may include drum lens and plano-convex lens, wherein the diameter of drum lens and plano-convex lens can be 3mm；Second lens
Component 1614 can be silicon lens, wherein the radius and surface diameter of silicon lens may respectively be 2.5mm and 4mm.
Further referring to Fig. 3, as shown in figure 3, the feature extraction submodule 162 of the present embodiment includes detection chip
1623, wherein detection chip 1623 can receive second laser signal, while receive by the internal reflection of object under test 120
Terahertz reflects signal, carries out feature extraction to Terahertz reflection signal using second laser signal as a result, and then obtain terahertz
Hereby reflect the characteristic information of the inside of the object under test 120 carried in signal.In the present embodiment, the connection lock of detection chip 1623
Phase amplifier, lock-in amplifier are connected with processing equipment, and the characteristic signal obtained by processing equipment based on feature extraction is to be measured
The detection of the inside of object 120.
Further as shown in figure 3, feature extraction submodule 162 further includes the third lens component 1622 and the 4th lens group
Part 1623.Wherein, the first incident side that detection chip 1623 receives second laser signal is arranged in the third lens component 1622,
For being focused to second laser signal；The setting of 4th lens subassembly 1623 receives Terahertz reflection letter in detection chip 1623
Number the second incident side, for Terahertz reflection signal be focused.In addition, feature extraction submodule 162 further includes setting
The second ferrule 1621 before the third lens component 1622, wherein the second ferrule 1621 is used for and the second conduction
Optical fiber 150 connects, and fixes the second conduction optical fiber 150, and second laser signal is free sky after the second ferrule 1621
Between light, then by the second lens subassembly 1614 focusing after be detected chip 1623 receive.
In the present embodiment, the second ferrule 1621, the third lens component 1622, detection chip 1623 and the 4th lens
Component 1623 can be fixed by polymer resin and constitute compact-sized probe structure.Further, the third lens component 1622
It may include drum lens and plano-convex lens with the 4th lens subassembly 1623, wherein the diameter of drum lens and plano-convex lens can
For 3mm；In addition, the 4th lens subassembly 1623 can also be silicon lens, wherein the radius and surface diameter of silicon lens may respectively be
2.5mm and 4mm.
In the utility model, submodule 161 and the length of feature extraction submodule 162, which occur, for Terahertz be can be set
24mm is between 28mm, and the present embodiment is by taking 26mm as an example.Wherein, the knot of the first ferrule 1611 and the second ferrule 1621
Structure can be identical, and the length of the first ferrule 1611 and the second ferrule 1621 can be 10mm to 12mm, the present embodiment with
For 10.46mm；The diameter of first ferrule 1611 and the second ferrule 1621 can be 2mm to 4mm, the present embodiment
By taking 2.46mm as an example.In the present embodiment, submodule 161 occurs for Terahertz and the overall diameter of feature extraction submodule 162 can be
6mm is cut by Terahertz occurring the two sides of outside of submodule 161 and feature extraction submodule 162, it is straight
Diameter is decreased to 4mm, then at this time Terahertz occur submodule 161 and feature extraction submodule 162 area of section can for 4mm ×
6mm；Further, the size that chip 1613 occurs for Terahertz can be 1.8mm × 1.9mm, and the size of detection chip 1623 can be
2mm×2.8mm.Further, the height that the silicon lens of submodule 161 occurs for Terahertz can be 3.03mm, mention for feature
The height for taking the silicon lens of submodule 162 can be 3.16mm.
Fig. 1 is further regarded to, the Terahertz endoscopic system 100 of the present embodiment further includes to be arranged in laser light source 110
Exit ports at isolator 180, to improve the efficiency of transmission of laser signal, in the present embodiment the isolator 180 be optical fiber
Isolator.
The above is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all benefits
The equivalent structure or equivalent flow shift made by the utility model specification and accompanying drawing content, is applied directly or indirectly in it
His relevant technical field, similarly includes the scope of patent protection in the utility model.
Claims (10)
1. a kind of Terahertz endoscopic system characterized by comprising
Fiber pulse laser light source, for providing laser signal；Optical fiber is coupled, is connect with the fiber pulse laser light source, is used
In the transmission laser signal；
Beam splitter is connect with the coupling optical fiber, for the laser signal to be divided into first laser signal and second laser letter
Number；
First conduction optical fiber and second conduction optical fiber, connect respectively with the beam splitter, for the first laser signal with
The second laser signal is transmitted, wherein is provided with fiber stretcher in the transmission path of the first conduction optical fiber；
Terahertz detection module connect with the first conduction optical fiber and the second conduction optical fiber respectively, is passed by described first
Guiding fiber and the second conduction fiber guides are to the inside of object under test, for receiving the first laser signal, based on institute
State first laser signal radiation terahertz detection signal, using the terahertz detection signal to the inside of the object under test into
Row scanning；And it is carried out using Terahertz reflection signal of the second laser signal to the internal reflection of the object under test special
Sign is extracted.
2. Terahertz endoscopic system according to claim 1, which is characterized in that
The terahertz detection module includes at least:
Submodule occurs for Terahertz, connect with the first conduction optical fiber, for receiving the first laser signal, based on described
First laser signal radiation terahertz detection signal is carried out using inside of the terahertz detection signal to the object under test
Scanning；
Feature extraction submodule is connect, for receiving the second laser signal and described to be measured with the second conduction optical fiber
Signal is reflected based on the Terahertz of the terahertz detection signal reflex in the inside of object, to utilize the second laser signal pair
The Terahertz reflection signal carries out feature extraction.
3. Terahertz endoscopic system according to claim 2, which is characterized in that
The angle value that interval angles between submodule and the feature extraction submodule occur for the Terahertz corresponds to described
Incidence angle of the terahertz detection signal relative to the inside of the object under test.
4. Terahertz endoscopic system according to claim 2, which is characterized in that
The Terahertz occurs submodule and includes at least Terahertz generation chip, for receiving the first conduction optical fiber transmission
The first laser signal, and based on terahertz detection signal described in the first laser signal radiation, to utilize the terahertz
Hereby the inside of detectable signal measuring targets is scanned.
5. Terahertz endoscopic system according to claim 4, which is characterized in that
Submodule occurs for the Terahertz further include:
The incident side that chip occurs for the Terahertz is arranged in first lens subassembly, for the first conduction optical fiber transmission
The first laser signal be focused；
The exiting side that chip occurs for the Terahertz is arranged in second lens subassembly, turns for chip to occur to the Terahertz
The terahertz detection signal changed is focused.
6. Terahertz endoscopic system according to claim 2, which is characterized in that
The feature extraction submodule includes at least detection chip, for receiving by described in the second conduction optical fiber transmission
Signal is reflected based on the Terahertz of the terahertz detection signal reflex in the inside of second laser signal and the object under test, and
Feature extraction is carried out to Terahertz reflection signal using the second laser signal.
7. Terahertz endoscopic system according to claim 6, which is characterized in that
The feature extraction submodule further include:
The first incident side of the detection chip is arranged in the third lens component, for the second conduction optical fiber transmission
The second laser signal is focused；
The second incident side of the detection chip is arranged in 4th lens subassembly, for carrying out to Terahertz reflection signal
It focuses.
8. Terahertz endoscopic system according to claim 1, which is characterized in that
The size of the terahertz detection module is grade.
9. Terahertz endoscopic system according to claim 1, which is characterized in that
The coupling optical fiber is dispersion compensating fiber.
10. Terahertz endoscopic system according to claim 1, which is characterized in that
The second conduction optical fiber is length time delay optical fiber corresponding with the fiber stretcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518751.2U CN209595711U (en) | 2018-09-14 | 2018-09-14 | All -fiber Terahertz endoscopic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821518751.2U CN209595711U (en) | 2018-09-14 | 2018-09-14 | All -fiber Terahertz endoscopic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209595711U true CN209595711U (en) | 2019-11-08 |
Family
ID=68394165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821518751.2U Active CN209595711U (en) | 2018-09-14 | 2018-09-14 | All -fiber Terahertz endoscopic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209595711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114689095A (en) * | 2021-08-13 | 2022-07-01 | 清华大学 | Ultrahigh-speed all-fiber imaging system and method based on multimode fiber |
-
2018
- 2018-09-14 CN CN201821518751.2U patent/CN209595711U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114689095A (en) * | 2021-08-13 | 2022-07-01 | 清华大学 | Ultrahigh-speed all-fiber imaging system and method based on multimode fiber |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106441571B (en) | A kind of light source module and the line scanning multi-optical spectrum imaging system using it | |
| US7127141B2 (en) | Non-imaging optical corner turner | |
| CN103690141B (en) | Internal rectum optics, optoacoustic, ultrasonic multi-modality imaging endoscope and formation method thereof | |
| US7953467B2 (en) | Method for non-invasive cancerous tissue diagnosis and tomography using terahertz imaging | |
| CN103462645B (en) | Forward sight Photoacoustic endoscope | |
| CN103654867B (en) | Imaging probe and there is the imaging device of this imaging probe | |
| US20170146453A1 (en) | Single channel terahertz endoscopy | |
| CN105167747A (en) | Handheld photoacoustic imaging probe | |
| CN112924389A (en) | Multi-mode imaging system and method based on photoacoustic and optical coherence tomography technology | |
| CN106510644B (en) | Medical optical coherence chromatographic imaging two dimension scan forward probe based on fiber optic bundle | |
| CN106725287B (en) | A kind of non-cpntact measurement device and method of ocular biometric parameters | |
| CN104568754A (en) | OCT system based on multispectral LED light source | |
| CN209595711U (en) | All -fiber Terahertz endoscopic system | |
| WO2001020306A9 (en) | System and method for tomographic imaging of dynamic properties of a scattering medium | |
| CN112325765A (en) | Area array point scanning light splitting white light interferometer | |
| CN108254075A (en) | A kind of micro integrated CMOS fiber spectrometers | |
| CN104991338A (en) | Confocal fundus scanning microscope | |
| CN208091911U (en) | A kind of coupling device of Fourier Transform Infrared Spectrometer and y-type optical fiber probe | |
| CN106907998A (en) | The Spectral Confocal measurement apparatus and method of linear optimization | |
| CN101435768B (en) | Apparatus and method for detecting specific substance concentration in solution by optical mode | |
| CN111366537A (en) | Dark field polarization extinction imaging device and method for biological tissue detection | |
| CN209264563U (en) | A kind of refractive index micrometering system | |
| CN206687691U (en) | A kind of reflective confocal microscopic image system | |
| CN209733928U (en) | Terahertz endoscope system | |
| CN109682791A (en) | A kind of hand-held Raman spectrometer of the non-fiber freely transmitted based on light space |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518102 room 430, building 37, chentian Industrial Zone, Baotian 1st Road, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Zhongtou Huaxun Terahertz Technology Co.,Ltd. Patentee after: CHINA COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 518102 room 430, building 37, chentian Industrial Zone, Baotian 1st Road, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CCT THZ TECHNOLOGY Co.,Ltd. Patentee before: CHINA COMMUNICATION TECHNOLOGY Co.,Ltd. |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210630 Granted publication date: 20191108 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230421 Granted publication date: 20191108 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230625 Address after: 518000 Shenzhen, Baoan District, Xixiang, Guangdong Xixiang street, thirty-seventh fields, 430 estate. Patentee after: Shenzhen Zhongtou Huaxun Terahertz Technology Co.,Ltd. Address before: 518102 room 430, building 37, chentian Industrial Zone, Baotian 1st Road, Xixiang street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Zhongtou Huaxun Terahertz Technology Co.,Ltd. Patentee before: CHINA COMMUNICATION TECHNOLOGY Co.,Ltd. |