CN205752961U - The mid-infrared super continuum source that wide range is smooth - Google Patents
The mid-infrared super continuum source that wide range is smooth Download PDFInfo
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- CN205752961U CN205752961U CN201620421918.8U CN201620421918U CN205752961U CN 205752961 U CN205752961 U CN 205752961U CN 201620421918 U CN201620421918 U CN 201620421918U CN 205752961 U CN205752961 U CN 205752961U
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- 239000000835 fiber Substances 0.000 claims abstract description 44
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims abstract description 8
- 229910052775 Thulium Inorganic materials 0.000 claims abstract description 8
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 claims abstract description 8
- KWMNWMQPPKKDII-UHFFFAOYSA-N erbium ytterbium Chemical compound [Er].[Yb] KWMNWMQPPKKDII-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000001228 spectrum Methods 0.000 abstract description 12
- 239000013307 optical fiber Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000002866 fluorescence resonance energy transfer Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004624 confocal microscopy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002292 fluorescence lifetime imaging microscopy Methods 0.000 description 1
- 238000000799 fluorescence microscopy Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012014 optical coherence tomography Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical compound [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Abstract
This patent discloses the mid-infrared super continuum source that a kind of wide range is smooth, including: 1550nm is tunable nanosecond pulse light source, 975nm continuous light source, 793nm continuous light source, 1550nm optoisolator, 1550/975nm wavelength division multiplexer, bundling device, Er-doped fiber, erbium-ytterbium co-doped fiber, Tm Ho co doped fiber, thulium doped fiber, fluoride fiber composition, and it is sequentially connected.This patent advantage is to make output spectrum smooth by the regulation amplitude of input pulse, frequency, envelope.
Description
Technical field
This patent relates to laser optoelectronic field, the mid-infrared super continuous spectrums light that a kind of wide range is smooth
Source.
Background technology
In optical field, when pumping laser through special fiber waveguide time, a series of nonlinear effect cause into
Penetrating the spectrum widening of laser beam, the wide spectral laser bundle of output claims super continuous spectrums laser.In recent years, various newly
The technology development of type super continuous spectrums lasing light emitter has made the hot fields and constantly of an optical research
New field is widely used.At present, super continuous laser source has applied to fluorescence microscopy
Picture, flow cytometer, fluorescence lifetime imaging microscopy, FRET (fluorescence resonance energy transfer), optical coherence tomography, non-
Contact detection, the detection of confocal microscopy bio-medical analysis, wide spectrum optical and laser radar, optic communication, gas passes
The fields such as sense.Develop the mid-infrared super continuum source that wide range is smooth, meet scientific research and industrial development
Demand.
Current super continuum source is broadly divided into two classes: a class uses all optical fibre structure to realize, and another kind of makes
Electricity consumption tuning methods realizes.The former uses all-fiber pulse laser as pump light source, and the latter makes electricity consumption arteries and veins
Impulse is encouraged laser diode and is sent pulse laser.The difference of the two is that all optical fibre structure is more conducive to realize small-sized
Change, but be weaker than electric pulse mode in the stability and controllability of light pulse.
The method generally obtaining super continuous spectrums is, uses nanosecond or subnanosecond burst pulse, the pumping one of Gao Zhongying
Section single-mould fiber, produces narrower super continuum light spectrum, amplifies using erbium-doped fiber amplifier and thulium doped fiber
Device is amplified, then removes pumping fluoride, sulfide or Telluride fibers, produces super continuous spectrums.
Summary of the invention
In order to obtain more smooth super continuum source, said method is made improvement by this patent, it is proposed that one
Plant the mid-infrared super continuum source that wide range is smooth, by adjusting the frequency of driving pulse, amplitude, shape etc.
Parameter, can adjust broadening scope, mean power and the flatness of the super continuous spectrums of output.
The technical solution of this patent is as follows:
The mid-infrared super continuum source that a kind of wide range is smooth include 1550nm tunable nanosecond pulse light source 1,
975nm continuous light source 1,975nm continuous light source 2 12,793nm continuous light source 13,1550nm
Optoisolator 2,1550/975nm wavelength division multiplexer the 3, first bundling device the 5, second bundling device 8, er-doped
Optical fiber 4, erbium-ytterbium co-doped fiber 6, Tm Ho co doped fiber 7, thulium doped fiber 9, fluoride fiber 10, wherein:
Described 1550nm is tunable, and light-pulse generator 1 is connected with 1550nm optoisolator 2,1550nm light
Isolator 2 and 975nm continuous light source 1 connects two of 1550/975nm wavelength division multiplexer 3 respectively
Input, its output connects Er-doped fiber 4, and Er-doped fiber 4 and 975nm continuous light source 2 12 connects respectively
Connecing two inputs of the first bundling device 5, the outfan of the first bundling device 5 connects erbium-ytterbium co-doped fiber 6,
Reconnecting Tm Ho co doped fiber 7, Tm Ho co doped fiber 7 and 793nm continuous light source 13 connects second respectively
Two inputs of bundling device 8, the outfan of the second bundling device 8 connects thulium doped fiber 9 and fluoride fiber
10；It is welded together in the way of fibre core alignment between each parts.
Light-pulse generator that described 1550nm is tunable 1 is output pulse width 1-10ns, mean power 1-10mW,
The tunable optical light-pulse generator of repetition rate 1-100MHz.
The first described bundling device 5 is (1+1) × 1 bundling device.
The second described bundling device 8 is (1+2) × 1 bundling device.
This patent advantage is to make output spectrum smooth by the regulation amplitude of input pulse, frequency, envelope.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mid-infrared super continuum source that a kind of wide range of this patent is smooth.
Fig. 2 is the pump light pulse schematic diagram of this patent.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, this patent is elaborated, but the protection domain of this patent is not limited to
Following embodiment.
Fig. 1 is the structural representation of the mid-infrared super continuum source that a kind of wide range of this patent is smooth.This enforcement
In example, 1550nm tunable nanosecond pulse light source 1 is the DFB laser diode of tunable electric pulse excitation,
Its output mean power 0-10mW is adjustable, and repetition rate 1-100MHz is adjustable, and pulsewidth 1-10ns is adjustable.
1550nm optoisolator 2 is non-guarantor's polarisation isolator, and isolation is more than 40dB.1550/975nm wavelength-division is multiple
First order erbium-doped fiber amplifier, er-doped is constituted with device 3,975nm continuous light source 1 and Er-doped fiber 4
Optical fiber 4 is the M12 optical fiber of Thorlab company, a length of 3.5m, and the absorptance at 975nm is about
The peak power output of 13dB/m, 975nm continuous light source 1 is 500mW.First bundling device 5,975nm
Continuous light source 1 and erbium-ytterbium co-doped fiber 6 constitute second level amplifier, and erbium-ytterbium co-doped fiber 6 is
The DCF-EY-10/128 of Coractive company, a length of 5.5m, the absorptance at 975nm is 2dB/m,
975nm continuous light source 1 peak power output is 8W, and the first bundling device 5 is that bundle is closed in (1+1) × 1
Device.The most can observe spectrum widening phenomenon.Tm Ho co doped fiber 7 is Coractive company
TH512, a length of 1m.Second bundling device 8,793nm continuous light source 13 and thulium doped fiber 9 constitute
Three grades of amplifications, thulium doped fiber 9 is the DCF-TM-10/128 of Coractive company, a length of 7m, 793nm
Continuous light source 13 peak power is 12W, and the second bundling device 8 is (2+1) × 1 bundling device.Finally access
Fluoride fiber 10, fluoride fiber 10 is the ZSF-9/125-N-0.20 of Coreactive company.
Fig. 2 is the output example of 1550nm tunable nanosecond pulse light source 1, relative to all optical fibre structure
Implementation, uses the mode of electric pulse excitation can freely regulate the frequency of light-pulse generator, amplitude and pulsewidth,
By regulating above parameter, it is possible to achieve the mid-infrared super continuum source that wide range is smooth.
Claims (4)
1. the mid-infrared super continuum source that wide range is smooth, including 1550nm tunable nanosecond pulse light source
(1), 975nm continuous light source one (11), 975nm continuous light source two (12), 793nm continuous light source (13),
1550nm optoisolator (2), 1550/975nm wavelength division multiplexer (3), the first bundling device (5), second
Bundling device (8), Er-doped fiber (4), erbium-ytterbium co-doped fiber (6), Tm Ho co doped fiber (7), mix thulium light
Fine (9), fluoride fiber (10), it is characterised in that:
Light-pulse generator that described 1550nm is tunable (1) is connected with 1550nm optoisolator (2), 1550nm
Optoisolator (2) and 975nm continuous light source one (11) connect 1550/975nm wavelength division multiplexer respectively
(3) two inputs, its output connects Er-doped fiber (4), Er-doped fiber (4) and 975nm even
Continuous light source two (12) connects two inputs of the first bundling device (5) respectively, the first bundling device (5)
Outfan connects erbium-ytterbium co-doped fiber (6), reconnects Tm Ho co doped fiber (7), Tm Ho co doped fiber (7)
With two inputs that 793nm continuous light source (13) connects the second bundling device (8) respectively, second closes bundle
The outfan of device (8) connects thulium doped fiber (9) and fluoride fiber (10)；With fibre core between each parts
The mode of alignment is welded together.
The mid-infrared super continuum source that a kind of wide range the most according to claim 1 is smooth, its feature exists
In, light-pulse generator that 1550nm is tunable (1) is output wavelength 1550nm, output pulse width 1-10ns, flat
All power 1-10mW, tunable optical light-pulse generators of repetition rate 1-100MHz.
The mid-infrared super continuum source that a kind of wide range the most according to claim 1 is smooth, its feature exists
In, described the first bundling device (5) is (1+1) × 1 bundling device.
The mid-infrared super continuum source that a kind of wide range the most according to claim 1 is smooth, its feature exists
In, described the second bundling device (8) is (1+2) × 1 bundling device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620421918.8U CN205752961U (en) | 2016-05-11 | 2016-05-11 | The mid-infrared super continuum source that wide range is smooth |
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| CN201620421918.8U CN205752961U (en) | 2016-05-11 | 2016-05-11 | The mid-infrared super continuum source that wide range is smooth |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762624A (en) * | 2016-05-11 | 2016-07-13 | 中国科学院上海技术物理研究所 | Mid-infrared super-continuous spectrum light source capable of achieving flat wide spectrum |
-
2016
- 2016-05-11 CN CN201620421918.8U patent/CN205752961U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762624A (en) * | 2016-05-11 | 2016-07-13 | 中国科学院上海技术物理研究所 | Mid-infrared super-continuous spectrum light source capable of achieving flat wide spectrum |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 |