CN105449496A - Optical element fixing method and adjustment device - Google Patents
Optical element fixing method and adjustment device Download PDFInfo
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- CN105449496A CN105449496A CN201511006048.4A CN201511006048A CN105449496A CN 105449496 A CN105449496 A CN 105449496A CN 201511006048 A CN201511006048 A CN 201511006048A CN 105449496 A CN105449496 A CN 105449496A
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- optical element
- fixed mount
- debugging device
- dimension
- clamping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/02—Constructional details
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention discloses an optical element fixing method and an adjustment device. The method comprises the following steps: fixing an optical element on a fixed frame; clamping the fixed frame by utilizing the adjustment device and positioning the optical element by utilizing the adjustment device; fixing the fixed frame on a baseboard through optical cement fixed glass; and removing the adjustment device of the fixed frame. Before the optical element is fixed, the position and angle of the optical element are adjusted through the adjustment device, so that the light path of the optical element is aligned; and after the light path is aligned, a permanent optical element fixing manner is realized by utilizing the optical cement glass, so that the problem of maladjusted light path of the optical element caused by connecting the fixed frame and the baseboard through a mechanical connector is avoided.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of optical element fixation method and debugging device.
Background technology
Optical element debug debuging of particularly resonator mirror, extremely important in laser assembling, because laser resonant cavity is to the requirement of light path alignment precision, so in laser debug process, the angle of pitch, the deflection needs accurately aligning of optical element in resonant cavity, and immobilize, ensure the impact in transported process and use procedure, shake and disturbed.
In laser, the fixed form of optical element comprises: adjustable type and be permanently fixed type.
Adjustable type fixed form allows the angle of pitch, the deflection of adjustment optical element, but this mode easily causes light path off resonance, and needs again debug in the laggard pedestrian's work of transportation or safeguard, and then increases the cost of overall operation and maintenance.
In permanent type fixed form, the direction of optical element is aligned by manual adjustments; The pitching of optical element is aligned by increase or minimizing metal foil bottom optical element and adjusts, and is then fixed by screw.But, pad pressure type needs repeatedly to test debuging in process, and the difference of screw fixation degree may bring the change of luffing angle, and along with the accumulation of time, the release of screw restoring force may make position of optical element generation minor variations, thus causes light path off resonance.
Summary of the invention
The invention provides a kind of optical element fixation method and debugging device, the problem that the fixed form in order to solve existing optical element easily causes optical element light path to lack of proper care.
The invention provides a kind of optical element fixation method, comprising: optical element is fixed on fixed mount; Utilize debugging device to clamp described fixed mount, and utilize described debugging device to locate described optical element; By optical cement fixing glass, described fixed mount is fixed on base plate; Remove the described debugging device of the described fixed mount of clamping.
Wherein, utilize described debugging device to locate described optical element, comprising: utilize described debugging device to adjust position and the angle of described fixed mount, to adjust position and the angle of described optical element, described optical element light path is aimed at.
Wherein, by optical cement fixing glass, described fixed mount is fixed on base plate, comprises: be fixed on unsettled for described fixed mount on base plate by optical cement fixing glass.
Wherein, by optical cement fixing glass, described fixed mount is fixed on base plate, comprises: by two adjacent for described optical cement fixing glass face hackings, and smear ultraviolet optical cement on two hacking faces; One of them hacking face of described optical cement fixing glass is attached on described fixed mount; The another one hacking face of described optical cement fixing glass is attached on described base plate; Utilize light curring unit to irradiate two described hacking faces, make described ultraviolet optical cement be fixedly connected with described fixed mount and described base plate.
Present invention also offers a kind of debugging device, described debugging device comprises: clamping cantilever, D translation platform and two-dimension adjustment frame; Wherein, one end of described two-dimension adjustment frame connects described clamping cantilever, and the described two-dimension adjustment frame other end is fixed on described D translation platform; Described clamping cantilever, for gripping the fixed mount of optical element; Described D translation platform, for adjusting the position of described optical element in the horizontal direction and the vertical direction; Described two-dimension adjustment frame, for adjusting the angle of pitch and the deflection of described optical element.
Wherein, described clamping cantilever comprises: connecting portion, cantilever and clamping part; Described connecting portion, for connecting described two-dimension adjustment frame; Described cantilever, connects described connecting portion for one end, and the other end connects described clamping part; Described clamping part, for clamping described fixed mount.
Wherein, described clamping part is clamping jaw; The top of described clamping jaw is connected with described cantilever; One end of described clamping jaw arranges the compression knob being used for fixing described fixed mount.
Wherein, described D translation platform comprises: one dimension lifting platform and the two-dimension translational platform be arranged on described one dimension lifting platform; Described one dimension lifting platform is scalable in vertical direction; Described two-dimension translational platform is removable in the horizontal direction.
Wherein, described two-dimension adjustment frame is disc spring two-dimension adjustment frame.
Beneficial effect of the present invention is as follows:
The present invention is before optical element is fixing, by position and the angle of debugging device adjustment optical element, optical element light path is aimed at, after light path is aimed at, optical cement glass is utilized to achieve permanent type optical element fixed form, avoid and come Connection Bracket and base plate by mechanical fastener, and cause the problem that optical element light path is lacked of proper care.
Accompanying drawing explanation
Fig. 1 is the flow chart of optical element fixation method according to an embodiment of the invention;
Fig. 2 is the front view of optical element debugging device according to an embodiment of the invention;
Fig. 3 is the vertical view of optical element debugging device according to an embodiment of the invention;
Fig. 4 is that clamping part grips the front view of frame according to an embodiment of the invention;
Fig. 5 is the right view of fixed mount according to an embodiment of the invention;
Fig. 6 is the stereogram of fixed mount according to an embodiment of the invention;
Fig. 7 is the front view of optical cement fixing glass block Connection Bracket and base plate according to an embodiment of the invention;
Fig. 8 is the right view of optical cement fixing glass block Connection Bracket and base plate according to an embodiment of the invention;
Reference numeral: 1, clamp cantilever, 2, D translation platform, 3, two-dimension adjustment frame, 4, one dimension lifting platform, the 5, first translation stage, the 6, second translation stage, 7, base, 8, adjustment plate, 9, connecting portion, 10, cantilever, 11, clamping part, 12, fixed mount, 13, optical element, 14, optical cement fixing glass, 15, base plate.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, do not limit the present invention.
The invention provides a kind of optical element fixation method.Fig. 1 is the flow chart of optical element fixation method according to an embodiment of the invention.
Step S110, is fixed on optical element on fixed mount.
This optical element is pasted and fixed on fixed mount or by connector and this optical element is fixed on fixed mount.Namely fixing optical element is fix the fixed mount that this is fixed with optical element.This optical element is such as laserresonator eyeglass.
Step S120, utilizes debugging device to grip frame, and utilizes debugging device to locate described optical element.
Further, utilize debugging device to grip frame, utilize this debugging device to adjust position and the angle of fixed mount, to adjust position and the angle of optical element, make optical element realize light path and aim at.
Step S130, is fixed on fixed mount on base plate by optical cement fixing glass.
After the light path of optical element is aimed at, optical cement fixing glass is utilized to be fixed on base plate by fixed mount.
By adjacent for optical cement fixing glass two face hackings, and smear ultraviolet optical cement on two hacking faces; One of them hacking face of optical cement fixing glass is attached on fixed mount; The another one hacking face of optical cement fixing glass is attached on base plate; Utilize light curring unit to irradiate two hacking faces, make ultraviolet optical cement be fixedly connected with fixed mount and base plate.
Optical cement fixing glass is utilized to be fixed on unsettled for described fixed mount on base plate.In other words, do not contact between fixed mount and base plate.
Step S140, removes the described debugging device of the described fixed mount of clamping.
The present invention, before optical element is fixing, by position and the angle of pitch of debugging device adjustment optical element, makes optical element light path aim at, after light path is aimed at, utilizes optical cement glass to achieve permanent type optical element fixed form.The present invention can debug the resonator mirror in laser and fix.
The invention provides a kind of debugging device for fixing optical element.Based on Fig. 2 to Fig. 8, debugging device of the present invention (optical element debugging device) is described below.
Fig. 2 is the front view of optical element debugging device according to an embodiment of the invention; Fig. 3 is the vertical view of optical element debugging device according to an embodiment of the invention.
In Fig. 2 and Fig. 3, xoy plane is horizontal plane, and the plane perpendicular to xoy plane is vertical plane.Optical element debugging device is placed in the horizontal plane.Parts in optical element debugging device carry out the movement in horizontal direction in horizontal plane, carry out the movement in vertical direction in vertical plane.
This optical element debugging device comprises: clamping cantilever 1, D translation platform 2 and two-dimension adjustment frame 3.
Two-dimension adjustment frame 3 is fixed on D translation platform 2, and clamping cantilever 1 connects two-dimension adjustment frame 3.
Clamping cantilever 1, for gripping the fixed mount 12 of optical element 13.
D translation platform 2, for adjusting the position of this optical element 13 in the horizontal direction and the vertical direction.
Two-dimension adjustment frame 3, for adjusting the angle of pitch and the deflection of this optical element 13.
Can see according to Fig. 2 and Fig. 3, D translation platform 2 comprises: one dimension lifting platform 4 and two-dimension translational platform.
One dimension lifting platform 4 is scalable in vertical direction, for adjusting optical element 13 position in vertical direction, namely adjusts the high and low position of optical element 13.
Two-dimension translational platform is removable in the horizontal direction, for adjusting optical element 13 position in the horizontal direction.
Two-dimension translational platform comprises two moveable translation stages of horizontal direction.In other words, two-dimension translational platform comprises: the first translation stage 5 and the second translation stage 6 stacked.
First translation stage 5 is arranged on the second translation stage 6, and the second translation stage 6 is arranged on one dimension lifting platform 4.First translation stage 5 and the second translation stage 6 removable in the horizontal direction, and the first translation stage 5 is vertical with the moving direction of the second translation stage 6.Such as: the first translation stage 5 can move along oy axle, the second translation stage 6 can move along ox axle.
Optical element 13 position is in the horizontal direction adjusted by mobile first translation stage 5 and the second translation stage 6.Further, move the first translation stage 5 by the knob on the first translation stage 5, move the second translation stage 6 by the second translation stage 6 upper knob.
One dimension lifting platform 4 and two-dimension translational platform can the height (z-axis) of accurate adjustment optical element 13, left and right (x-axis), front and back (y-axis) three position in direction.One dimension lifting platform 4 and two-dimension translational platform Adjustment precision can reach 0.2mm, adjusting range is greater than 30mm.
For ensureing pulling force and stability, two-dimension adjustment frame 3 can be disc spring two-dimension adjustment frame.
Can see according to Fig. 2 and Fig. 3, two-dimension adjustment adjustment rack comprises base 7 and adjustment plate 8, and preset distance of being separated by between base 7 and adjustment plate 8, base 7 is connected by elastic fluid (as: disc spring) with adjustment plate 8.
Base 7 is fixed on the first translation stage 5.In the first translation stage 5 moving process, adjustment plate 8 can with base 7 translation on the first translation stage 5.Such as: adjustment plate 8 can move along ox axle along with base 7.
Base 7 is provided with 2 screw thread pairs, according to Fig. 2 and Fig. 3,2 screw thread pairs are arranged on a diagonal of base 7.By precession or screw out the screw thread pair connected on base 7, changing the shape of elastic fluid, and then change horizontal direction angle and the angle of pitch of adjustment plate 8, by clamping the conduction of cantilever 1, realizing the adjustment of deflection to optical element 13 and the angle of pitch.
Further, the thin child of screw thread pair pitch of screw is less than 0.25mm.
According to Fig. 2 and Fig. 3, clamping cantilever 1 comprises: connecting portion 9, cantilever 10, clamping part 11.
Connecting portion 9, for connecting two-dimension adjustment frame 3.Further, connecting portion 9 connects adjustment plate 8.
Cantilever 10 one end is connected with connecting portion 9, and the other end is connected with clamping jaw.The length of cantilever 10 can according to the actual casing size design that will assemble.
Clamping part 11, for gripping frame 12.
Concrete, connecting portion 9 connects two-dimension adjustment frame 3, and cantilever 10 puts in casing internal from laser casing outside, and clamping part 11 clamping is positioned at the fixed mount 12 of casing internal.
Further, this clamping part 11 can be clamping jaw, clamping jaw is " U " shape, as shown in Figure 4, " U " shape top is connected with cantilever 10, and one end of " U " shape arranges compression knob, preferably arranging on clamping jaw outer wall can the compression knob of spinning in and out, fixed mount 12 is placed in " U " clevis and holds in jaw, compresses knob, clamp or discharge fixed mount 12 by precession or back-out.
Fig. 5 is the right view of fixed mount according to an embodiment of the invention, and Fig. 6 is the stereogram of fixed mount according to an embodiment of the invention.
Fixed mount 12 is three parts, comprising: part that fixed mount 12 is clamped by clamping part 11 (i.e. fixed mount 12 top grip district), fixed mount 12 are for installing the part of optical element 13, fixed mount 12 not by part (the optical cement fixed area namely bottom fixed mount 12) that clamping part 11 clamps.Grip district and be placed in clamping part 11 for " U " shape opening part; Optical cement fixed area is for pasting optical cement fixing glass 14.
Further, optical element 13 can be fixed on fixed mount 12 by gluing fixing or threaded ring.Fixed mount 12 can design according to the shape of optical element 13, makes after fixed mount 12 clamped by clamping part 11, between optical element 13 and clamping part 11, to there is certain distance.
Fixed mount 12 is for pasting the face of optical cement fixing glass 14 for sticky and face, and this area that is sticky and face can design according to the size of fixed mount 12 and weight.
In the adjustment process of optical element 13 position and angle and in the solidification process of fixed mount 12, fixed mount 12 is vacant state, gets along well base plate 15 joint all the time in the face that fixed mount 12 is relative with base plate 15.
Optical cement fixing glass 14 for Connection Bracket 12 and chassis backplane 15, as shown in the front view of Fig. 7 and the right view of Fig. 8.Optical cement fixing glass 14 is 6 square vitreums, wherein smooth the and hacking in adjacent two faces.After the position of optical element 13 and angle adjustment are well, by two of optical cement fixing glass 14 hacking face uniform application ultraviolet optical cements, optical cement fixing glass 14 is positioned over below fixed mount 12, make to scribble one in two hacking faces of optical cement in addition to face down and to contact with base plate 15, another side is attached to fixed mount 12 side.
Utilize UV-LED light curring unit to irradiate to need sticky and position, optical element 13 is permanently fixed.It is 365 ± 5nm ultraviolet light that this UV-LED light curring unit exports light, and exposure intensity is greater than 2000mW/cm2, and controls containing foot switch.By foot switch, allow the bright dipping of UV-LED light curring unit, and uniform irradiation was at 30 seconds more than, gluing position, fixed mount 12 is fixed on by optical cement fixing glass 14 on the base plate 15 of casing, completes assembling.
After ultraviolet light adhesive curing, screw out the compression knob of clamping cantilever 1 clamping part 11, fixed mount 12 is separated with clamping cantilever 1, then by the lifting of D translation platform 2, adjustment of retreating, whole debugging device is separated with fixed mount 12.Because fixed mount 12 is unsettled all the time, and only have the optical cement of skim to contact with optical cement fixing glass 14, therefore in optical cement solidification process, the cure shrinkage of ultraviolet optical cement can not have an impact to the angle of optical element 13 and position.
By above-mentioned optical element 13 fixing means and debugging device, the present invention utilizes optical cement to achieve and is permanently fixed type optical element 13 fixed form.The present invention can debug the resonator mirror in laser and fix.
The present invention has following beneficial effect:
A () adopts the mode of D translation platform+two-dimension adjustment frame, adjust to the precalculated position in casing easily and fast, accurately by optical element, and realize the adjustment of position and pitching.
B () adopts debugging device of the present invention, solve before optical element is permanent cured, how to adjust the problem of position of optical element in real time.Particularly in the assembling of laser, pitching, the left and right adjustment of resonator mirror need to carry out real time correction according to laser output parameter, to reach optimization.
(c) adopt removably clamp cantilever, solve optical element and base plate permanent cured after, the how simple segregative problem of debugging device.Optical element, by after ultraviolet light adhesive curing, only need unclamp the compression knob of clamping cantilever, can realize being separated of debugging device and optical element, carry out the assembly work of next optical element.
D () adopts optical cement fixing glass to fix, ultraviolet light adhesive curing, farthest reduces the impact of cure stage on position of optical element; Only need thinner one deck ultraviolet optical cement between solidification contact-making surface, therefore require lower to ultraviolet optical cement shrinkage, by ultra violet lamp, only need within 30 seconds, can realize permanent cured.This mode not only cost is low, and process simply, easily and fast, is not polluted, and is suitable for operation in ultra-clean chamber.
E () adopts optical cement fixing glass fixed mount and base plate to be linked together, inapplicable mechanical fastener Connection Bracket and base plate avoid the light path imbalance that mechanical connection fixed mount and base plate cause.
Although be example object, disclose the preferred embodiments of the present invention, it is also possible for those skilled in the art will recognize various improvement, increase and replacement, and therefore, scope of the present invention should be not limited to above-described embodiment.
Claims (9)
1. an optical element fixation method, is characterized in that, comprising:
Optical element is fixed on fixed mount;
Utilize debugging device to clamp described fixed mount, and utilize described debugging device to locate described optical element;
By optical cement fixing glass, described fixed mount is fixed on base plate;
Remove the described debugging device of the described fixed mount of clamping.
2. the method for claim 1, is characterized in that, utilizes described debugging device to locate described optical element, comprising:
Utilize described debugging device to adjust position and the angle of described fixed mount, to adjust position and the angle of described optical element, described optical element light path is aimed at.
3. method as claimed in claim 1 or 2, is characterized in that, be fixed on base plate, comprise by optical cement fixing glass by described fixed mount:
Be fixed on unsettled for described fixed mount on base plate by optical cement fixing glass.
4. method as claimed in claim 3, is characterized in that, be fixed on base plate, comprise by optical cement fixing glass by described fixed mount:
By two adjacent for described optical cement fixing glass face hackings, and smear ultraviolet optical cement on two hacking faces;
One of them hacking face of described optical cement fixing glass is attached on described fixed mount;
The another one hacking face of described optical cement fixing glass is attached on described base plate;
Utilize light curring unit to irradiate two described hacking faces, make described ultraviolet optical cement be fixedly connected with described fixed mount and described base plate.
5. a debugging device, is characterized in that, described debugging device comprises: clamping cantilever, D translation platform and two-dimension adjustment frame; Wherein, described two-dimension adjustment frame is fixed on described D translation platform, and described clamping cantilever connects described two-dimension adjustment frame;
Described clamping cantilever, for gripping the fixed mount of optical element;
Described D translation platform, for adjusting the position of described optical element in the horizontal direction and the vertical direction;
Described two-dimension adjustment frame, for adjusting the angle of pitch and the deflection of described optical element.
6. debugging device as claimed in claim 5, it is characterized in that, described clamping cantilever comprises: connecting portion, cantilever and clamping part;
Described connecting portion, for connecting described two-dimension adjustment frame;
Described cantilever, connects described connecting portion for one end, and the other end connects described clamping part;
Described clamping part, for clamping described fixed mount.
7. debugging device as claimed in claim 6, is characterized in that, described clamping part is clamping jaw;
The top of described clamping jaw is connected with described cantilever;
One end of described clamping jaw arranges the compression knob being used for fixing described fixed mount.
8. debugging device as claimed in claim 5, it is characterized in that, described D translation platform comprises: one dimension lifting platform and the two-dimension translational platform be arranged on described one dimension lifting platform;
Described one dimension lifting platform is scalable in vertical direction;
Described two-dimension translational platform is removable in the horizontal direction.
9. debugging device as claimed in claim 5, it is characterized in that, described two-dimension adjustment frame is disc spring two-dimension adjustment frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006048.4A CN105449496A (en) | 2015-12-29 | 2015-12-29 | Optical element fixing method and adjustment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511006048.4A CN105449496A (en) | 2015-12-29 | 2015-12-29 | Optical element fixing method and adjustment device |
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| CN105449496A true CN105449496A (en) | 2016-03-30 |
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| CN201511006048.4A Pending CN105449496A (en) | 2015-12-29 | 2015-12-29 | Optical element fixing method and adjustment device |
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| CN108227354A (en) * | 2016-12-14 | 2018-06-29 | 中航国画（上海）激光显示科技有限公司 | Six pH effect fixtures of ray machine fluorescent wheel |
| CN110119018A (en) * | 2019-05-06 | 2019-08-13 | 武汉优光科技有限责任公司 | A kind of device of the hollow retroreflector angular accuracy of fast modulation |
| CN110190499A (en) * | 2019-06-21 | 2019-08-30 | 苏州英谷激光有限公司 | A method of it effectively prevent resonant cavity detuning |
| CN113437622A (en) * | 2021-06-24 | 2021-09-24 | 何苗 | Device and method for adjusting laser light path |
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Application publication date: 20160330 |