CN1963434B - Second harmonic conversion efficiency testing device for centrosymmetric material micro & nano structure induced by optical-fibre switch - Google Patents

Second harmonic conversion efficiency testing device for centrosymmetric material micro & nano structure induced by optical-fibre switch Download PDF

Info

Publication number
CN1963434B
CN1963434B CN2006101650869A CN200610165086A CN1963434B CN 1963434 B CN1963434 B CN 1963434B CN 2006101650869 A CN2006101650869 A CN 2006101650869A CN 200610165086 A CN200610165086 A CN 200610165086A CN 1963434 B CN1963434 B CN 1963434B
Authority
CN
China
Prior art keywords
laser
sample
optical fiber
light
frequency
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.)
Expired - Fee Related
Application number
CN2006101650869A
Other languages
Chinese (zh)
Other versions
CN1963434A (en
Inventor
李海颖
陈旭南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Optics and Electronics of CAS
Original Assignee
Institute of Optics and Electronics of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute of Optics and Electronics of CAS filed Critical Institute of Optics and Electronics of CAS
Priority to CN2006101650869A priority Critical patent/CN1963434B/en
Publication of CN1963434A publication Critical patent/CN1963434A/en
Application granted granted Critical
Publication of CN1963434B publication Critical patent/CN1963434B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

This invention relates to one double frequency efficiency test device of light fiber conversion lead center symmetric materials micro nanometer structure, which comprises laser, focus lens, fiber beamconversion system, calibration microscopes, load sample bench, level rotation bench, multi-freedom adjust bench, double frequency filter, laser power meter and large bench, wherein, the laser goes through focus lens and conversion fiber to adjust calibration incidence test samples and the double frequency light is measured and displayed with its light intensity values and then compares the lightintensity values to get double frequency conversion efficiency.

Description

Centro-symmetry dielectric micro-nano structure frequency-doubled conversion rate proving installation is introduced in the optical fiber conversion
Technical field
The present invention is that centro-symmetry dielectric micro-nano structure frequency-doubling conversion efficiency proving installation is introduced in a kind of optical fiber conversion, belongs to nonlinear device conversion efficiency technical field of measurement and test.
Background technology
Because the continuous progress of optical lasers technology and micro-nano structure process technology, the device for non-linear optical that is applied to laser freuqency doubling constantly produces, be used widely, and produced the device for non-linear optical that constitutes with the centro-symmetry dielectric micro-nano structure, can on same linear material substrate, integrate non-linear components such as frequency transformation with other photonic device, form full optical information loop integrated mix with photoelectron integrated etc., but form little, in light weight and the high-performance micro-system that function is very complete of volume.The device that has also produced centro-symmetry dielectric micro-nano structure formation carries out the conversion efficiency proving installation.But these proving installation complex structures, particularly laser drawing-in system were both complicated, needed to expand bundle and a whole set of precise light hurdle again, and it is also not really desirable to introduce effect.For overcoming the deficiency of above-mentioned technology, research has been invented the optical fiber conversion and has been introduced centro-symmetry dielectric micro-nano structure device frequency-doubling conversion efficiency proving installation.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, centro-symmetry dielectric micro-nano structure device frequency-doubling conversion efficiency proving installation is introduced in practical optical fiber conversion, introduced by conversion optical fiber by frequency doubled light, tested structure devices is placed on the monitor station, measures conversion efficiency through adjusting to observe.
Technical solution of the present invention is: the optical fiber conversion is introduced centro-symmetry dielectric micro-nano structure frequency-doubling conversion efficiency proving installation and is comprised: laser instrument, block cover, observe laser and inject the aligming microscope of sample inlet alignment case, carrying sample stage, sample, horizontal rotating table, multiple degrees of freedom and adjust platform, be placed on that frequency doubled light optical filter, laser powermeter before the laser powermeter probe popped one's head in, laser power is taken into account large platform; Laser instrument, multiple degrees of freedom is adjusted platform, laser powermeter probe and laser powermeter are positioned on the large platform successively, between laser instrument and laser powermeter, be covered with and block cover, fixedly the sample of sample carrying sample stage is placed on the horizontal rotating table, horizontal rotating table is placed in multiple degrees of freedom and adjusts on the platform, its characteristics are: also comprise being arranged on behind the laser instrument and being positioned at laser drawing-in system with aligming microscope below, the laser drawing-in system is made up of focus lamp and optical fiber beam transformation system, and be put on the large platform, the laser beam that laser instrument penetrates focused on back focus O by focus lamp before this 1The point, it also is the central point of optical fiber beam transformation system light beam incident end face, through the optical fiber beam conversion, a certain size laser beam that optical fiber beam transformation system light beam outgoing end face penetrates, through aligming microscope the observation of sample laser entrance port is aimed at, all inject sample, the frequency doubled light after frequency multiplication filters by the frequency doubled light optical filter and injects the laser powermeter probe, be converted to electric signal after the reception and send into laser powermeter, measure the light intensity magnitude that demonstrates double-frequency laser.
Described this device optical fiber beam transformation system is a fibre bundle bifurcated drawing-in system, be bonded by a large amount of thin optic fibres, the thin optic fibre of all composition fibre bundles of its light beam incident end is bonded into a cylindrical fiber bundle, making the fibre bundle section is a circle, and by the light beam exit end, all thin optic fibres of forming fibre bundle are bonded into a pancake fibre bundle, and making the fibre bundle section is a rectangle ABCD, and the interlude relative position of fibre bundle from the incident end to exit end carried out arranging again.
Described this device optical fiber beam transformation system exit end emitting laser hot spot cross section is a rectangle rectangle ABCD, sample laser entrance port is A ' B ' C ' D ' rectangle rectangle, is all injected in the A ' B ' C ' D ' rectangle of sample entrance port by optical fiber beam transformation system emitting laser light beam.
Described luminous intensity measurement blocks cover for by behind the position of adjusting sample in the screening, measured the light intensity I that shows double-frequency laser by laser powermeter 1, to open and block cover, take away sample and frequency doubled light optical filter allow laser directly impinge perpendicularly on the laser powermeter probe, hide and block cover, are measured the light intensity I that shows laser by laser powermeter 2, then can calculate the efficiency eta of sample:
η=I 1/I 2
The present invention compared with prior art has the following advantages:
(1) the present invention is simple, practical, the with low cost proving installation of a structure, and it is both complicated that it has overcome the laser drawing-in system, needs to expand bundle and a whole set of precise light hurdle again, and introduce the also not really desirable shortcoming of effect;
(2) the present invention has reliable observation introducing alignment system because adding has, be the optical fiber beam transformation system, observe aligming microscope, flexible multiple degrees of freedom adjusts platform and rotating mechanism is sought at the optimum orientation angle, can adjust the position of tested sample very soon, measure conversion efficiency;
(3) the present invention is low to the environmental baseline requirement, the precision height of measurement, and the laboratory all can be set up mostly, is easy to use.
Description of drawings
Fig. 1 is that centro-symmetry dielectric micro-nano structure device frequency-doubling conversion efficiency proving installation scantling plan is introduced in the conversion of embodiment of the invention optical fiber;
Fig. 2 adjusts the platform orthogonal view for embodiment of the invention proving installation carrying sample stage, horizontal rotating table and multiple degrees of freedom;
Fig. 3 adjusts platform side direction view for embodiment of the invention proving installation carrying sample stage, horizontal rotating table and multiple degrees of freedom;
Fig. 4 is an embodiment of the invention proving installation horizontal angle circumvolve lock set kit AA cut-open view;
Fig. 5 is an embodiment of the invention optical fiber beam transformation system structural drawing;
Fig. 6 is embodiment of the invention sample laser entrance port figure;
Fig. 7 is an embodiment of the invention sample micro-nano structure cross sectional plan view.
Embodiment
As shown in Figure 1, be that centro-symmetry dielectric micro-nano structure device frequency-doubling conversion efficiency proving installation scantling plan is introduced in the conversion of embodiment of the invention optical fiber, it by laser instrument 1, focus lamp 2, optical fiber beam transformation system 3, block cover 4, aligming microscope 5, carrying sample stage 6, sample 7, horizontal rotating table 8, multiple degrees of freedom and adjust platform 9, frequency doubled light optical filter 10, laser powermeter probe 11, detectable signal extension line 12, laser powermeter 13 and large platform 14 and form.Laser instrument 1, focus lamp 2, optical fiber beam transformation system 3, block cover 4, aligming microscope 5, multiple degrees of freedom is adjusted platform 9, laser powermeter probe 11 and laser powermeter 13 all are placed on the large platform 14 successively, laser instrument 1, focus lamp 2, the logical light center of optical fiber beam transformation system 3 and laser powermeter probe 11 is all contour with the laser axis that laser instrument 1 penetrates, aligming microscope 5 is vertically placed, be put on the large platform 14 by 501 palms of microscope stand, sample 7 is placed on the carrying sample stage 6, carrying sample stage 6 is placed on the horizontal rotating table 8, and horizontal rotating table 8 is placed on the multiple degrees of freedom adjustment platform 9.The laser that laser instrument 1 penetrates focuses on by focus lamp 2, converge at the light beam incident end of optical fiber beam transformation system 3, penetrate the adjustment that platform 9 and horizontal rotating table 8 are adjusted by the observation and the multiple degrees of freedom of 5 pairs of sample 7 laser entrance ports of aligming microscope in the back, make from a certain size light beam of optical fiber beam transformation system 3 ejaculations and all inject sample 7, frequency doubled light after frequency multiplication filters by frequency doubled light optical filter 10, receive by laser powermeter probe 11 again, be converted to electric signal and send into high-precision laser power meter 13, and measure the light intensity magnitude that demonstrates double-frequency laser by laser powermeter 13 by detectable signal extension line 12.
By last Fig. 1 as can be known, the laser beam 101 that laser instrument 1 penetrates at first is by the laser drawing-in system, is promptly focused on the back focus O of focus lamp 2 by focus lamp 2 1The point, also be light beam incident end face 301 central points of optical fiber beam transformation system 3, from the laser 303 that the light beam outgoing end face 302 of optical fiber beam transformation system 3 penetrates, sample 7 is all injected in observation and adjustment through 5 pairs of sample 7 laser entrance ports of aligming microscope.
By last Fig. 1 also as can be known, its optical axis O 4O 5Vertically the aligming microscope of placing 5 is the infrared viewing the seen microscopes by replaceable service band, by small reflector 503, object lens 502, lens barrel 504, eyepiece 505 and mirror holder 501 are formed, object space refractive power small reflector 503 is placed on the top of laser beam 303 by 501 palms of mirror holder, and relative 120 ° of inclined, do not stop that laser beam 303 injects sample, mirror holder 501 also props up to have slapped and comprises object lens 502, eyepiece 505 and lens barrel 504, by finely tuning microscopical object distance, we can observe the alignment case that laser is injected the sample inlet at emergent pupil 506 places.
By Fig. 1 also as can be known, sample pack into carrying sample stage 6 and observe adjust the position after, before formal survey measurements, hide and block cover 4, blocking cover 4 is that a front has laser 101 and goes into perforation, back bottom have detectable signal extension line 12 the hole and above have aligming microscope 5 and observe with outside the hole, all the other two sides all do not have perforate, and the outer cover of inwall blacking, with the influence that prevents that external veiling glare from measuring light intensity signal.Frequency multiplication optical filter 10 is contained on the laser powermeter probe 11 by frequency doubled light optical filter picture frame 1004.And frequency multiplication optical filter 10 is by the frequency multiplication optical filter 1 that is put in the place ahead, frequency multiplication optical filter 2 1002 in the middle of being put in is formed with the frequency multiplication optical filter that is put in the back 3 1003, frequency multiplication optical filter 1 is one incident light is all-trans, the optical filter that frequency doubled light is semi-transparent semi-reflecting, frequency multiplication optical filter 2 1002 is one incident light is all-trans, the optical filter of frequency doubled light half-reflection and half-transmission, can make frequency doubled light encourage conversion incident light frequency back and forth at sample 7, frequency multiplication optical filter 3 1003 be one to the incident light high saturating optical filter of frequency doubled light that is all-trans, also play and encourage the householder transformation effect back and forth, make the frequency conversion better effects if.
As shown in Figures 2 and 3, be that embodiment of the invention proving installation carrying sample stage, horizontal rotating table and multiple degrees of freedom are adjusted platform orthogonal view and side direction view.Its carrying sample stage 6 is made up of the little pressing plate 601 of sample, sample backing plate 602, support plate 603, and little pressing plate 601 can be pressed in sample 7 and backing plate 602 on the support plate 603, makes the center O of sample 7 by the height of adjusting backing plate 602 3The fundamental sum laser beam axis is contour, and sample 7 is parallel with laser beam axis 303, and support plate 603 is positioned on the horizontal rotating table 8, and is connected with T oblique crank Z 806 upper surfaces of horizontal rotating table 8.
Horizontal rotating table 8 is made up of steel ball 1, axle bed cover 802, horizontal retaining clip 803, vertical retaining clip 804, steel ball 2 805, T oblique crank Z 806, axle head plate washer 807, snap lock collar plate washer 808, snap lock collar 809, locking bed 810, horizontal angle scale 811, locking handwheel 812.T oblique crank Z 806 lower surfaces are overlapped 802 upper surfaces by steel ball 1 and its horizontal retaining clip 803 with axle bed and are connected, also overlapping 802 inner cylinder faces by steel ball 2 805 and its vertical retaining clip 804 with axle bed is connected, make T oblique crank Z 806 overlap 802 and do horizontal angle beta rolling rotation with respect to axle bed, horizontal angle scale 811 is enclosed within axle bed and overlaps 802 external cylindrical surfaces, and be placed on upward adjustment plate 907 upper surfaces of multiple degrees of freedom adjustment platform 9, static relatively to axle bed cover 802, be carved with index line on the disk external cylindrical surface of T oblique crank Z 806, therefore follow T oblique crank Z 806 relative axle beds when the carrying sample stage 6 that is fixed with sample 7 and overlap 802 when rotating, just can read the β angle number of sample 7 rotations from horizontal angle scale 811, axle head plate washer 807 is fixed on the T oblique crank Z 806, prevent that T oblique crank Z 806 is when 802 rotations of axle bed cover or break away from mutually at ordinary times, axle bed cover 802 is to be fixed on multiple degrees of freedom to adjust going up on the adjustment plate 907 of platform 9, T oblique crank Z 806 is adjusted the back around 802 rotations of axle bed cover, and stable to stop at this position motionless be the (see figure 4) of locking by locking handwheel 812, Fig. 4 is the AA sectional view of Fig. 3, as seen from the figure, the big portion of snap lock collar 809 is thin circles, the part that thickness is big has an elongated slot E, vertical elongated slot E makes to have a unthreaded hole and a screw, the screw rod of locking handwheel 812 can pass this unthreaded hole, screw flight can mesh with the screw of snap lock collar 809, snap lock collar 809 wraps on the face of cylinder of lower end axle of T oblique crank Z 806, the polished rod of locking handwheel 812 also passes locking bed 810, and the screw thread that makes its front end is spun on the screw thread of snap lock collar 809, its screw thread end face is pressed on the other end of snap lock collar 809, when rotation lock handwheel 812, its screw flight can tighten up snap lock collar 809, make and embrace the face of cylinder of the lower end axle of the T oblique crank Z 806 of portion within it, T oblique crank Z 806 relative locking beds 810 just can not relatively rotate like this, and locking bed 810 is to fixedly connected with the lower surface of adjusting plate 907 of going up of multiple degrees of freedom adjustment platform 9, can not remake the rotation of β angle so sample 7 just is locked.
Multiple degrees of freedom adjustment platform 9 is made up of to adjusting handwheel 909, the little seat 910 of adjustment and extension spring 911 back adjustment handwheel 901, back lengthy motion picture spring hinge 902, base V-arrangement lower guideway 903, V-arrangement upper rail 904, preceding lengthy motion picture spring hinge 905, adjustment mounting 906, rise bed rearrangement frame 907, preceding adjustment handwheel 908, X.Raise bed rearrangement frame 907 and be positioned at the top of adjusting mounting 906, adjust the top that mounting 906 is positioned at V-arrangement upper rail 904, the preceding handwheel 908 of adjusting is positioned on the rise bed rearrangement frame 907, and with the threaded hole engagement of raising bed rearrangement frame 907, back adjustment handwheel 901 passes the macropore that raises bed rearrangement frame 907 and is positioned on the adjustment mounting 906, and with adjust the engagement of mounting 906 threaded holes, raising bed rearrangement frame 907 is connected with adjustment mounting 906 by back lengthy motion picture spring hinge 902, adjusting mounting 906 is connected with V-arrangement upper rail 904 by preceding lengthy motion picture spring hinge 905, V-arrangement upper rail 904 is connected with base V-arrangement lower guideway 903 by V-way, and can in base V-arrangement lower guideway 903, move along the guide rail direction, base V-arrangement lower guideway 903 is placed on the large platform 14, the upper surface that raises bed rearrangement frame 907 is connected with the axle bed cover 802 of horizontal rotating table 8, and lower surface is connected with locking bed 810, palm horizontal rotating table 8 and above sample 7 parts thereof.Because of withstanding on, the screw head of preceding adjustment handwheel 908 adjusts on the mounting 906, so the rotation by preceding adjustment handwheel 908 can make with the rise bed rearrangement frame 907 of its screw-threaded engagement and do the rotation of two directions up and down around back lengthy motion picture spring hinge 902, because back lengthy motion picture spring hinge 902 is at the side that raises bed rearrangement frame 907, the rotation of raising bed rearrangement frame 907 not only changes the height orientation angle of sample 7, but also can oscilaltion.In like manner, the screw rod of adjusting handwheel 901 because of the back withstands on the V-arrangement upper rail 904, handwheel 901 is adjusted in the rotation back can make adjustment mounting 906 do to rotate up and down around the preceding lengthy motion picture spring hinge 905 that is connected with its side, make adjust mounting 906 and more than comprise that sample 7 makes the height directions and rotate, but also can oscilaltion, thereby sample 7 can be done the α angle around X-axis and rotate adjustment in the YOZ plane, also can do to adjust up and down along the Z axle.Owing to be fixed on the base V-arrangement lower guideway 903 to the little seat 910 of the adjustment of adjusting handwheel 909 screw-threaded engagement with X, X withstands on the V-arrangement upper rail 904 to the screw rod of adjusting handwheel 909, extension spring 911 1 ends haul adjusts little seat 910, the other end hauls V-arrangement upper rail 904, rotation X can make V-arrangement upper rail 904 make the X both forward and reverse directions along the guide rail of base V-arrangement lower guideway 903 to move to adjusting handwheel 909, moves adjustment at directions X as both forward and reverse directions thereby drive sample 7.In a word, make multiple degrees of freedom adjust platform 9 and reach and to do the rotation adjustment of α angle to sample 7, can make XY simultaneously and adjust to moving.
As shown in Figure 5, be embodiment of the invention optical fiber beam transformation system 3 structural drawing.Optical fiber beam transformation system 3 in fact also is a fibre bundle bifurcated drawing-in system, be bonded by a large amount of thin optic fibres, thin optic fibre at all composition fibre bundles of light beam incident end is bonded into a cylindrical big fibre bundle, making the fibre bundle section is a circle, the i.e. plane of incidence among the figure 301, because the interlude relative position of fibre bundle from the incident end to exit end carried out arranging again, make fibre bundle be bonded into a pancake fibre bundle near the thin optic fibre of all composition fibre bundles of light beam exit end, making the fibre bundle section is a rectangle ABCD, i.e. exit facet among the figure 302.
As shown in Figure 6, be embodiment of the invention sample laser entrance port figure.As seen from the figure, sample 7 laser entrance ports 701 are A ' B ' C ' D ' rectangle rectangle (rectangle rectangles of outside), penetrate next laser beam 303 along central point O by optical fiber beam transformation system 3 2Inject in sample 7 entrance ports, the hot spot cross section is equipped with profile line rectangle rectangle partly in being, its incident beam all injects in sample 7 entrance port A ' B ' C ' D ' rectangles, can observe this by aligming microscope 5, adjust horizontal rotating table 8 or the multiple degrees of freedom adjustment platform 9 above-mentioned relevant handwheels that illustrated and reach, whole light are all injected in sample 7 entrance port A ' B ' C ' D '.
As shown in Figure 7, be embodiment of the invention sample micro-nano structure cross sectional plan view.Sample 7 is generally by entrance port 701, internal microstructure 702, shell 703 and exit portal 704 are formed, incident light 303 is injected by entrance port 701, after the frequency multiplication of internal microstructure 702, its frequency doubled light 705 penetrates from exit portal 704, the intensity that penetrates frequency doubled light 705 is relevant with the incident angle β of incident light, therefore, when the laser that adjustment is shot out by optical fiber beam transformation system 3 is all injected sample 7 laser entrance ports, be also noted that and rotate the incident angle that horizontal rotating table 8 is adjusted incident light, different sample 7 its optimal incident angle in fact β are different, can progressively adjust according to the incident angle of precognition.After adjusting incident angle and locking, also to pop one's head in 11 by mobile laser powermeter, make ejaculation frequency doubled light 705 can vertically inject laser powermeter probe 11.
Behind the position by above-mentioned adjustment sample 7, block cover 4 in the screening, measure the light intensity magnitude that shows double-frequency laser 705, the big short biography of the output intensity of double-frequency laser 705 is made I here by laser powermeter 13 1Open and block cover 4, take away sample 7 and frequency doubled light optical filter 10 allow laser 303 directly impinge perpendicularly on laser powermeter probe 11, hide and block cover 4, measure the light intensity magnitude that shows laser 303 by laser powermeter 13, the light intensity magnitude of laser 303 note is made I here 2Laser loss when omitting incident and outgoing sample 7, and under the scattering loss situation of frequency doubled light optical filtering, can calculate the relative efficiency eta of sample 7:
η=I 1/I 2

Claims (3)

1. the optical fiber conversion is introduced centro-symmetry dielectric micro-nano structure frequency-doubled conversion rate proving installation and is comprised: laser instrument (1), block cover (4), observe laser and inject that the aligming microscope (5) of sample inlet alignment case, carrying sample stage (6), sample (7), horizontal rotating table (8), multiple degrees of freedom are adjusted platform (9), are placed on the preceding frequency doubled light optical filter (10) of laser powermeter probe (11), laser powermeter is popped one's head in (11), laser powermeter (13) and large platform (14); Laser instrument (1), multiple degrees of freedom is adjusted platform (9), laser powermeter probe (11) and laser powermeter (13) are positioned on the large platform (14) successively, between laser instrument (1) and laser powermeter (13), be covered with and block cover (4), fixedly the sample of sample (7) carrying sample stage (6) is placed on the horizontal rotating table (8), horizontal rotating table (8) is placed in multiple degrees of freedom and adjusts on the platform (9), it is characterized in that: also comprise be arranged on laser instrument (1) back and be positioned at aligming microscope (5) below the laser drawing-in system, the laser drawing-in system is made up of focus lamp (2) and optical fiber beam transformation system (3), and be put on the large platform (14), the laser beam (101) that laser instrument (1) penetrates focused on back focus O by focus lamp (2) before this 1The point, it also is the central point of optical fiber beam transformation system (3) light beam incident end face (301), through the optical fiber beam conversion, a certain size laser beam (303) that optical fiber beam transformation system (3) light beam outgoing end face (302) penetrates, through aligming microscope (5) observation of sample (7) laser entrance port is aimed at, all inject sample (7), frequency doubled light after frequency multiplication filters by frequency doubled light optical filter (10) and injects laser powermeter probe (11), be converted to electric signal after the reception and send into laser powermeter (13), measure the light intensity magnitude that demonstrates double-frequency laser; Described optical fiber beam transformation system (3) is a fibre bundle bifurcated drawing-in system, be bonded by a large amount of thin optic fibres, the thin optic fibre of all composition fibre bundles of its light beam incident end (301) is bonded into a cylindrical fiber bundle, making the fibre bundle section is a circle, and by light beam exit end (302), all thin optic fibres of forming fibre bundle are bonded into a pancake fibre bundle, making the fibre bundle section is a rectangle (ABCD), and the interlude relative position of fibre bundle from the incident end to exit end carried out arranging again.
2. centro-symmetry dielectric micro-nano structure frequency-doubled conversion rate proving installation is introduced in optical fiber conversion according to claim 1, its feature also is: described optical fiber beam transformation system (3) exit end emitting laser (303) hot spot cross section is a rectangle (ABCD), sample laser entrance port is rectangle rectangle (A ' B ' C ' D '), is all injected in the sample laser entrance port rectangle rectangle (A ' B ' C ' D ') by optical fiber beam transformation system (3) emitting laser light beam (303).
3. centro-symmetry dielectric micro-nano structure frequency-doubled conversion rate proving installation is introduced in optical fiber conversion according to claim 1, its feature also is: being measured as by behind the position of adjusting sample (7) of described light intensity, block cover (4) in the screening, measure the light intensity I that shows double-frequency laser (705) by laser powermeter (13) 1Open and block cover (4), take away sample (7) and frequency doubled light optical filter (10), a certain size laser beam (303) that allows optical fiber beam transformation system (3) light beam outgoing end face penetrate directly impinges perpendicularly on laser powermeter probe (11), block cover (4) on hiding again, measure the light intensity I that shows laser beam (303) by laser powermeter (13) 2, then can calculate the efficiency eta of sample (7):
η=I 1/I 2
CN2006101650869A 2006-12-13 2006-12-13 Second harmonic conversion efficiency testing device for centrosymmetric material micro & nano structure induced by optical-fibre switch Expired - Fee Related CN1963434B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2006101650869A CN1963434B (en) 2006-12-13 2006-12-13 Second harmonic conversion efficiency testing device for centrosymmetric material micro & nano structure induced by optical-fibre switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2006101650869A CN1963434B (en) 2006-12-13 2006-12-13 Second harmonic conversion efficiency testing device for centrosymmetric material micro & nano structure induced by optical-fibre switch

Publications (2)

Publication Number Publication Date
CN1963434A CN1963434A (en) 2007-05-16
CN1963434B true CN1963434B (en) 2010-04-14

Family

ID=38082575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2006101650869A Expired - Fee Related CN1963434B (en) 2006-12-13 2006-12-13 Second harmonic conversion efficiency testing device for centrosymmetric material micro & nano structure induced by optical-fibre switch

Country Status (1)

Country Link
CN (1) CN1963434B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109254025B (en) * 2018-11-02 2023-09-22 内蒙古工业大学 Device and method for sticking annular carrier net to transmission electron microscope sample

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5436920A (en) * 1993-05-18 1995-07-25 Matsushita Electric Industrial Co., Ltd. Laser device
CN1493429A (en) * 2003-08-22 2004-05-05 中国科学院上海光学精密机械研究所 Flash second multiple frequency laser direct writing system and microprocessing method
CN1713465A (en) * 2004-06-22 2005-12-28 中国科学院光电技术研究所 Continuous light-beam frequency multiplier with photon crystal of linear material
CN1747261A (en) * 2004-09-09 2006-03-15 中国科学院光电技术研究所 pulse laser linear material photonic crystal frequency multiplier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5436920A (en) * 1993-05-18 1995-07-25 Matsushita Electric Industrial Co., Ltd. Laser device
CN1493429A (en) * 2003-08-22 2004-05-05 中国科学院上海光学精密机械研究所 Flash second multiple frequency laser direct writing system and microprocessing method
CN1713465A (en) * 2004-06-22 2005-12-28 中国科学院光电技术研究所 Continuous light-beam frequency multiplier with photon crystal of linear material
CN1747261A (en) * 2004-09-09 2006-03-15 中国科学院光电技术研究所 pulse laser linear material photonic crystal frequency multiplier

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开平8-247939A 1996.09.27

Also Published As

Publication number Publication date
CN1963434A (en) 2007-05-16

Similar Documents

Publication Publication Date Title
CN100567931C (en) Centro-symmetry dielectric micro-nano structure device frequency-doubling conversion efficiency proving installation
CN103529243B (en) A kind of pencil tracing formula afm scan gauge head
US9658440B2 (en) Optical probe for measuring light signals in vivo
CN106547079A (en) Real-time three-dimensional laser fluorescence microscopic imaging device
CN106896095B (en) The micro-imaging technique of composite surface plasma resonance and surface-enhanced Raman
CN106990095B (en) Reflection-type confocal CARS micro-spectrometer method and apparatus
CN108362676A (en) CARS microscopic imaging devices and method based on photon crystal optical-fiber probe excitation
CN104515748A (en) Terahertz time-domain spectrograph based on femtosecond laser
CN1963434B (en) Second harmonic conversion efficiency testing device for centrosymmetric material micro & nano structure induced by optical-fibre switch
CN108169209A (en) A kind of in-situ surface enhances Raman detection method
WO2004095113A2 (en) An automated polarized light microscope combined with a spectroscopy/spectral imaging apparatus
Song et al. A rapid stokes imaging method for characterizing the optical properties of tissue during immersion optical clearing
CN104267488B (en) Optical microscope beam splitter device
CN112557344B (en) Device and method for measuring birefringence
CN206348271U (en) Each spectrum composition Annual distribution of ultrafast super continuous spectrums and time coherence measurement instrument
CN110530821B (en) Measuring device and measuring method for refractive index of optical material
CN107101941B (en) A kind of Terahertz near field micro-imaging detector
CN114299801B (en) Coaxial collimation light path neon characteristic measuring system and measuring method
JP2006267651A (en) Microscopic device
CN108534896A (en) Femtosecond time resolution pumps and the two-in-one spectrometer system of broadband time-resolved CARS
Bauer Probe-based nano-interferometric reconstruction of tightly focused vectorial light fields
RU2515341C2 (en) Two-photon scanning microscope with automatic precision image focusing and method for automatic precision image focusing
Cromey Design, Applications and Characterization of All-Reflective Multi-Modal Microscopes
CN214749720U (en) High-voltage Z-scan optical test system
CN2577274Y (en) Observation device of scanning probe microscope

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
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: 20100414

Termination date: 20141213

EXPY Termination of patent right or utility model