CN113783080A - Ultrashort pulse laser with layered reversible structure - Google Patents

Ultrashort pulse laser with layered reversible structure Download PDF

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Publication number
CN113783080A
CN113783080A CN202110896806.3A CN202110896806A CN113783080A CN 113783080 A CN113783080 A CN 113783080A CN 202110896806 A CN202110896806 A CN 202110896806A CN 113783080 A CN113783080 A CN 113783080A
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bottom plate
module
stay bar
rotating
fixed
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CN113783080B (en
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梁毅超
李峰
杨小君
赵卫
王屹山
安玉瑞
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XiAn Institute of Optics and Precision Mechanics of CAS
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XiAn Institute of Optics and Precision Mechanics of CAS
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02Constructional details
    • H01S3/025Constructional details of solid state lasers, e.g. housings or mountings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES 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
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)

Abstract

The invention provides an ultrashort pulse laser with a layered reversible structure, which comprises a space light path module, an optical fiber module, a control module, a fixed bottom plate, a rotary support and a rotary bottom plate, wherein the space light path module and the rotary support are fixedly installed on the fixed bottom plate, the rotary support is positioned on one side of the space light path module, the vertical height of the rotary support is more than or equal to the height of the space light path module, the rotary bottom plate is positioned above the fixed bottom plate, one side of the rotary bottom plate is hinged with the rotary support, so that a rotary shaft of the rotary bottom plate is formed, and the optical fiber module and the control module are both fixedly installed on the upper surface of the rotary bottom plate. The invention reduces the whole size of the ultrashort pulse laser, reduces the whole quality and makes the ultrashort pulse laser easier to debug; but also obviously reduce the processing cost to also change in the control machining precision, also can reduce later stage nature ageing deformation by a wide margin simultaneously, have apparent promotion to the long-term job stabilization nature of ultrashort pulse laser.

Description

Ultrashort pulse laser with layered reversible structure
Technical Field
The invention belongs to the field of ultrashort pulse lasers, and mainly relates to an ultrashort pulse laser with a layered reversible structure.
Background
An ultrashort pulse laser is a laser that operates in a pulsed manner, the pulse time width of an ultrashort pulse is generally less than 10-12And s, the pulse width range is generally from several femtoseconds to several hundred femtoseconds, and ultrafast and super-strong laser beams can be realized. The ultrashort pulse laser has wide application prospect in the fields of micro-machining, medical treatment, microscopic substance detection and the like.
Because the ultra-short pulse laser has high precision requirement, complex internal module composition and a large number of modules, under the same optical scheme, the existing ultra-short pulse laser generally adopts a structural scheme of single-layer design, namely a space light path module, an optical fiber module, a control module and the like are arranged on the same mounting plate, and the mounting layout causes larger overall size and heavier weight; in addition, a structural scheme of a layered design is also provided, as shown in fig. 1, the mounting plate 02 mounted inside the support frame 01 divides the support frame into an upper chamber and a lower chamber, the space light path module is arranged in the upper chamber 03, and the rest modules are arranged in the lower chamber 04. In addition, when the volume of the ultrashort pulse laser is large, the requirements on the processing precision, the mechanical deformation, the natural aging deformation in the use process and the like of the ultrashort pulse fixing bottom plate are extremely high, so that how to design an ultrashort pulse laser which is small in size, low in weight and easy to debug is an urgent problem to be solved.
Disclosure of Invention
In order to design an ultrashort pulse laser with small size, low weight and easy debugging, the invention provides an ultrashort pulse laser with a layered reversible structure.
The specific technical scheme of the invention is as follows:
the invention provides an ultrashort pulse laser with a layered reversible structure, which comprises a space light path module, an optical fiber module, a control module, a fixed bottom plate, a rotary support and a rotary bottom plate, wherein the space light path module is arranged on the optical fiber module; a space light path module is fixedly arranged on the fixed bottom plate; the rotary support is vertically fixed on the fixed bottom plate and is positioned at one side of the spatial light path module; the vertical height of the rotary support is more than or equal to the height of the space light path module; the rotating bottom plate is positioned above the fixed bottom plate, and one side of the rotating bottom plate is hinged with the rotating support, so that a rotating shaft of the rotating bottom plate is formed; the optical fiber module and the control module are fixedly arranged on the upper surface of the rotating bottom plate.
Furthermore, in order to fix the rotating bottom plate and the fixed bottom plate with each other, the invention also comprises a fixed support; the fixed support is vertically fixed on the fixed bottom plate and is positioned on the other side of the spatial light path module; the vertical height of the rotary support is the same as that of the rotary support, and threaded holes are formed in the top end of the rotary support.
Furthermore, when the turning angle is an acute angle, the invention also comprises a short stay bar component for fixing the rotary bottom plate; the short stay bar component comprises an extensible and contractible stay bar and a short stay bar fixing seat; one end of the telescopic support rod is connected with the top end of the fixed support through a bolt, and the other end of the telescopic support rod is hinged with the short support rod fixed seat; the short support rod fixing seat is installed on the lower surface of the rotating base plate and is located on one side far away from the rotating shaft.
The telescopic support rod device further comprises two short support rod assemblies positioned on two sides of the rotating base plate and a short support rod accommodating device which is arranged in the middle of the lower surface of the rotating base plate and used for accommodating the telescopic support rods;
each short stay bar component comprises an extensible and contractible stay bar and a short stay bar fixing seat; one end of the telescopic brace rod is a ball head, and the other end of the telescopic brace rod is provided with an inclined countersunk hole connected with the top end of the fixed support; the short support rod fixing seat comprises a fixed mounting block and a movable mounting block, wherein the fixed mounting block is fixedly mounted on the lower surface of the rotating bottom plate and is provided with a first hemispherical hole; the distance between the fixed mounting block and the movable mounting block is adjustable, so that a ball hole matched with a ball head on the telescopic stay bar is formed between the first hemispherical hole and the second hemispherical hole;
the short stay bar containing device comprises a U-shaped locking block, 2T-shaped locking rods and 2 springs; the opening of the U-shaped locking block faces the lower surface of the rotating bottom plate; a bulge is arranged on one side wall of the U-shaped locking block, the bulge penetrates through the rotating bottom plate, 2 step holes are formed in the side wall, and the 2 step holes are symmetrically arranged relative to the bulge; the 2T-shaped locking rods respectively penetrate through the 2 step holes and then are connected with the rotary bottom plate; the 2 springs are respectively sleeved on the 2T-shaped locking rods, one end of each spring is in contact with the large end of each T-shaped locking rod, and the other end of each spring is in contact with the bottom of the large hole of the stepped hole in the U-shaped locking block.
Furthermore, when the turning angle is a right angle or an obtuse angle, in order to fix the rotating bottom plate, the invention also comprises a plurality of long stay bar tools; each long stay bar tool comprises a telescopic long stay bar and a long stay bar fixing seat; one end of the telescopic long stay bar is a U-shaped bracket, and the other end of the telescopic long stay bar is hinged with the long stay bar fixing seat; and a plurality of supporting holes matched with the U-shaped bracket are formed in one side of the rotating bottom plate, which is far away from the rotating shaft.
Furthermore, the rotary bottom plate is also provided with a wiring hole and 2 fixing holes; the wiring hole is positioned in the middle of one side of the rotating base plate close to the rotating shaft and used for arranging circuits and optical fibers between the spatial light path module and all modules arranged on the rotating base plate; above-mentioned 2 fixed orifices symmetry sets up and keeps away from rotation axis one side on swivel base plate, and its position corresponds with fixing support for when swivel base plate does not take place to overturn fix swivel base plate on fixing support, perhaps will stretch out the one end of shortening the vaulting pole when turning angle is the acute angle and fix on fixing support.
Further, the turning angle of the rotating bottom plate is 0-210 degrees.
Furthermore, the optical fiber module comprises a seed source, a stretcher, a single-mode amplification module and a multi-mode amplification module, the control module comprises an electric control module and a temperature tuning module, and the electric control module, the seed source, the stretcher, the temperature tuning module, the single-mode amplification module and the multi-mode amplification module can be reasonably arranged on the front face of the rotating base plate according to specific working conditions.
Further, the material of above-mentioned laser instrument installation PMKD is 6061 aluminum alloy, and its intensity and rigidity are high, and density is low, and the heat conductivity is better relatively, and the space light path module of being convenient for dispels the heat to the external world, and the material of above-mentioned rotating bottom plate is the stainless steel, and its intensity is high and the heat conductivity is relatively poor, can completely cut off the influence of the heat that the module that the rotating bottom plate openly installed gived off to the space light path module to a certain extent.
Furthermore, the spatial light path module is a hermetically designed module to avoid the influence of external factors on the interior of the spatial light path module.
The invention has the beneficial effects that:
1. the invention is a layered reversible structure, compared with the structural proposal that all modules are arranged on a fixed bottom plate in the existing single-layer design, the fixed bottom plate only is provided with a space light path module, so that the length and the width of the ultrashort pulse laser mainly depend on the size of the space light path module, thereby improving the space utilization rate and reducing the whole size, and because most of the modules are arranged on the rotating bottom plate of the second layer, the area of the fixed bottom plate is reduced, and the whole quality is reduced; compared with the existing structural scheme with a multilayer design, the debugging method only needs to turn over the rotating base plate and the module arranged on the rotating base plate, and the existing structural scheme needs to turn over the whole body, so that the debugging method is easier.
2. In the invention, the stability of the spatial light path module directly influences the output parameters of the ultrashort pulse laser, so the spatial light path module is arranged on the fixed bottom plate; the control module and the optical fiber module have no special requirement on the installation precision, so the control module and the optical fiber module are designed on the rotating bottom plate of the second layer, and the layout mode can avoid the influence caused by moving the spatial light path module in the debugging process.
3. Compared with the prior art, the area of the fixed base plate is reduced, so that the processing cost is greatly reduced, the machining precision is easier to control, meanwhile, the later natural aging deformation is greatly reduced, and the long-term working stability of the ultrashort pulse laser is greatly improved.
4. The space light path module is arranged on the fixed bottom plate of the first layer, the control module and the optical fiber module are arranged on the rotating bottom plate of the second layer, the space light path module and the optical fiber module are not interfered with each other during debugging, and the influence of heat emitted by the control module and the optical fiber module on the space light path module can be avoided.
5. The space light path module is a hermetically designed module, and can greatly avoid the influence of external factors on the interior of the space light path module.
Drawings
FIG. 1 is a schematic diagram of an ultra-short pulse laser with a layered design;
reference numbers for fig. 1 illustrate:
01-support frame, 02-mounting plate, 03-upper chamber and 04-lower chamber;
FIG. 2 is a schematic structural diagram of an ultrashort pulse laser in embodiment 1;
FIG. 3 is a schematic view of the structure of the rotating base plate;
FIG. 4 is a schematic view of a hinge structure of the long stay bar fixture;
FIG. 5 is a schematic structural diagram of an ultrashort pulse laser in embodiment 2;
FIG. 6 is a schematic view of the structure of the extendable and retractable struts;
FIG. 7 is a schematic structural view of the short stay bar fixing seat;
FIG. 8 is a schematic structural view of the short stay bar storage device;
FIG. 9 is a schematic view of the U-shaped locking block;
FIG. 10 is a schematic diagram of an ultrashort pulse laser without flipping the rotating substrate;
the reference numbers of fig. 2 to 10 illustrate:
1-fixed bottom plate, 2-space optical path module, 3-rotary support, 4-electric control module, 5-seed source, 6-stretcher, 7-rotary bottom plate, 8-temperature tuning module, 9-single mode amplification module, 10-multimode amplification module, 11-fixed support, 12-telescopic long stay bar, 13-long stay bar fixed seat, 14-long stay bar pin shaft, 15-telescopic shortened stay bar, 16-short stay bar fixed seat, 17-T-shaped locking bar, 18-U-shaped locking block, 19-spring, 20-fixed bolt, 21-supporting hole, 22-fixed hole and 23-wiring hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment provides an ultrashort pulse laser with a layered reversible structure, as shown in fig. 2, comprising a fixed baseplate 1, 2 rotating supports 3, 2 fixed supports 11, a rotating baseplate 7, a spatial light path module 2, an optical fiber module, a control module and 2 long stay rod tools; a spatial light path module 2 is fixedly arranged on the fixed bottom plate 1; the 2 rotating supports 3 are symmetrically and vertically fixed on the fixed bottom plate 1, are positioned on one side of the spatial light path module 2, and have vertical height slightly larger than that of the spatial light path module 2; the rotating bottom plate 7 is positioned above the fixed bottom plate 1, and one side of the rotating bottom plate is hinged with the 2 rotating supports 3 respectively so as to form a rotating shaft; the 2 fixed supports 11 are symmetrically and vertically fixed on the fixed base plate 1 and are positioned on the other side of the space light path module 2, the vertical height of the 2 fixed supports is the same as that of the 2 rotating supports 3, and threaded holes are formed in the top ends of the 2 fixed supports 11; the optical fiber module and the control module are both fixedly installed on the upper surface of the rotating base plate 1.
As shown in fig. 3, the rotating base plate 1 is further provided with a wiring hole 23 and 2 fixing holes 22; the wiring hole 23 is positioned in the middle of one side of the rotating base plate 7 close to the rotating shaft and is used for arranging circuits and optical fibers among the spatial light path module 2, the optical fiber module and the control module; the 2 fixing holes 22 are symmetrically arranged on the rotating base plate 7 at one side far away from the rotating shaft, the positions of the fixing holes correspond to the 2 fixing supports 11, and the fixing holes are used for fixing the rotating base plate 7 on the fixing supports 11 when the rotating base plate 7 is not overturned.
The optical fiber module comprises a single-mode amplification module 9, a seed source 5, a stretcher 6 and a multi-mode amplification module 10, the control module comprises an electric control module 4 and a temperature tuning module 8, the electric control module 4, the seed source 5 and the stretcher 6 are sequentially and fixedly installed on one side of the upper surface of the rotating base plate 7, and the temperature tuning module 8, the single-mode amplification module 9 and the multi-mode amplification module 10 are sequentially and fixedly installed on the other side of the upper surface of the rotating base plate.
The long stay bar tool comprises a telescopic long stay bar 12 and a long stay bar fixing seat 13; one end of the telescopic long stay bar 12 is a U-shaped bracket, and the other end of the telescopic long stay bar is hinged with the long stay bar fixing seat 13 through a long stay bar pin shaft 14, as shown in fig. 4; in addition, as shown in fig. 3, 2 support holes 21 for matching with the U-shaped bracket on the telescopic long stay 12 are provided on the side of the rotating base plate 7 away from the rotating shaft.
The space light path module 2 is a module with a sealed design; the material of PMKD 1 is 6061 aluminum alloy, is difficult for taking place to destroy and be out of shape, and the low heat dissipation of weight is better, and the space light path module 2 of being convenient for is to the external heat dissipation, and the material of PMKD 7 is the stainless steel, and difficult quilt destroys and the heat dissipation is relatively poor, can completely cut off the influence of the heat that surface mounting's module gived off on PMKD 7 to a certain extent to space light path module 2.
During debugging, the plane where the fixed bottom plate 1 is located and the plane where the 2 long stay bar fixing seats 13 are located are kept parallel, the 2 long stay bar fixing seats 13 are fixed on the plane where the fixed bottom plate 1 is located, and after the rotating bottom plate 7 is turned for 114 degrees, the U-shaped supports on the 2 telescopic long stay bars 12 respectively penetrate through the 2 supporting holes 21 formed in the rotating bottom plate 7, so that the rotating bottom plate 7 and all modules installed on the rotating bottom plate 7 are fixed. After debugging, as shown in fig. 10, demolish 2 long vaulting pole frocks, swivel base 7 overturns to the angle and is 0 °, swivel base 7 is the horizontality promptly, and the fixed orifices 22 on swivel base 7 aligns with the screw hole on fixing support 11 top this moment, uses fixing bolt 20 with its fixed connection.
In the ultrashort pulse laser with the layered and reversible structure provided by the embodiment, 2 long support rod tools are installed outside the ultrashort pulse laser during debugging, the turnover angle of the rotating bottom plate 7 is large, and an operator can debug the spatial light path module conveniently; however, the supporting mode needs a larger placing space and carries 2 long stay bar tools separately, and the plane where the fixed bottom plate 1 is located and the plane where the 2 long stay bar fixing seats 3 are located must be parallel.
Example 2
The present embodiment provides an ultrashort pulse laser with a layered and invertable structure, as shown in fig. 5, including a fixed base plate 1, 2 rotating supports 3, 2 fixed supports 11, a rotating base plate 7, a spatial light path module 2, an optical fiber module, a control module, 2 short strut assemblies, and a short strut receiving device; a spatial light path module 2 is fixedly arranged on the fixed bottom plate 1; the 2 rotating supports 3 are symmetrically and vertically fixed on the fixed bottom plate 1, are positioned on one side of the spatial light path module 2, and have vertical height slightly larger than that of the spatial light path module 2; the rotating bottom plate 7 is positioned above the fixed bottom plate 1, and one side of the rotating bottom plate is hinged with the 2 rotating supports 3 respectively so as to form a rotating shaft; the 2 fixed supports 11 are symmetrically and vertically fixed on the fixed base plate 1 and are positioned on the other side of the space light path module 2, the vertical height of the 2 fixed supports is the same as that of the 2 rotating supports 3, and threaded holes are formed in the top ends of the 2 fixed supports 11; the optical fiber module and the control module are both fixedly installed on the upper surface of the rotating base plate 1.
As shown in fig. 3, the rotating base plate 1 is further provided with a wiring hole 23 and 2 fixing holes 22; the wiring hole is positioned in the middle of one side of the rotating bottom plate 7 close to the rotating shaft and used for arranging circuits and optical fibers among the spatial light path module 2, the optical fiber module and the control module; 2 fixed orifices symmetry sets up and keeps away from rotation axis one side on swivel base plate 7, and its position corresponds with 2 fixing support 104 for swivel base plate 7 is fixed on fixing support 11 when not taking place the upset, perhaps fixes the one end that can stretch out and shorten vaulting pole 15 on fixing support 11 when the upset.
The optical fiber module comprises a single-mode amplification module 9, a seed source 5, a stretcher 6 and a multi-mode amplification module 10, the control module comprises an electric control module 4 and a temperature tuning module 8, the electric control module 4, the seed source 5 and the stretcher 6 are sequentially and fixedly installed on one side of the upper surface of the rotating base plate 7, and the temperature tuning module 8, the single-mode amplification module 9 and the multi-mode amplification module 10 are sequentially and fixedly installed on the other side of the upper surface of the rotating base plate.
The 2 short stay bar assemblies are positioned at two sides of the rotating bottom plate 7 and respectively comprise an extensible stay bar 15 and a short stay bar fixing seat 16; as shown in fig. 6, one end of the extendable and contractible stay bar 15 is a ball head, and the other end thereof is provided with an inclined countersunk hole connected with the top end of the fixed support 11; as shown in fig. 7, the short stay bar fixing seat 16 includes a fixed mounting block and a movable mounting block, wherein the fixed mounting block is fixedly mounted on the lower surface of the rotating base plate 7 and is provided with a first hemispherical hole thereon, the movable mounting block is mounted on the fixed mounting block or the lower surface of the rotating base plate 7 and is provided with a second hemispherical hole with an opening, and the size of the opening is slightly larger than the diameter of the telescopic stay bar 15; the distance between the fixed mounting block and the movable mounting block is adjustable, so that a ball hole matched with the ball head on the telescopic stay bar 15 is formed between the first hemispherical hole and the second hemispherical hole;
the short stay bar containing device is shown in fig. 8 and comprises a U-shaped locking block 18, 2T-shaped locking bars 17 and 2 springs 19; as shown in fig. 9, the U-shaped locking block 18 has an opening facing the lower surface of the rotating base plate 7, and a protrusion is provided on one side wall, the protrusion penetrates through the rotating base plate 7, and the side wall is provided with 2 stepped holes, and the 2 stepped holes are symmetrically arranged relative to the protrusion; 2T-shaped locking rods 17 respectively penetrate through the 2 step holes and then are connected with the rotating bottom plate 7; the 2 springs 19 are respectively sleeved on the 2T-shaped locking rods 17, one end of each spring 19 is in contact with the large end of each T-shaped locking rod 17, and the other end of each spring 19 is in contact with the bottom of the large hole of the step hole in the U-shaped locking block 18.
The space light path module 2 is a module with a sealed design; the material of PMKD 1 is 6061 aluminum alloy, is difficult for taking place to destroy and be out of shape, and the low heat dissipation of weight is better, and the space light path module 2 of being convenient for is to the external heat dissipation, and the material of PMKD 7 is the stainless steel, and difficult quilt destroys and the heat dissipation is relatively poor, can completely cut off the influence of the heat that surface mounting's module gived off on PMKD 7 to a certain extent to space light path module 2.
When debugging, the rotating bottom plate 7 is turned over by 82 degrees, the protrusions on the side walls of the U-shaped locking blocks 18 are pressed, the U-shaped locking blocks 18 move downwards along the T-shaped locking rods 17, thus forming a gap between the U-shaped locking block 18 and the swivel base plate 7, and after sequentially removing the 2 telescopically extendable and contractible struts 15 from the gap, loosening the protrusion on the side wall of the U-shaped locking block 18, moving the U-shaped locking block 18 upwards along the T-shaped locking rod 17 under the action of the spring 19 until the U-shaped locking block is tightly attached to the rotating bottom plate 7, then screwing out the 2 telescopic stay bars 15 from the opening on the movable mounting block of the short stay bar fixing seat 16, respectively aligning the inclined countersunk holes on the 2 telescopic stay bars 15 with the threaded holes at the top ends of the 2 fixed supports 11, and then fixedly connecting the inclined countersunk holes by using the fixed bolts 20, so that the short stay bar assembly holds the rotating bed 7 and all modules mounted on the rotating bed 7. After debugging, as shown in fig. 10, the fixing bolt 20 is removed, the 2 extendable and contractible struts 15 are screwed into the short strut accommodating device from the opening on the movable mounting block of the short strut fixing seat 16, and then the rotating base plate 7 is turned over to an angle of 0 °, that is, the rotating base plate 105 is in a horizontal state, and at this time, the fixing holes 22 on the rotating base plate 7 are aligned with the threaded holes at the top end of the fixing support 11 and are fixedly connected with each other by the fixing bolt 20.
In the ultrashort pulse laser with the layered reversible structure, 2 short strut assemblies and a short strut storage device are all installed on a rotating base plate 7 of the ultrashort pulse laser, and the turning angle of the rotating base plate 7 is small, so that a large placing space and a single tool are not required to be carried, and only the fixing base plate 1 is required to be placed on a plane; however, in this example, the turning angle of the rotating base plate 7 is small and the short strut assembly interferes, which has a certain effect on the debugging of the spatial light path module 2 by the operator.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. An ultrashort pulse laser with a layered reversible structure comprises a spatial light path module, an optical fiber module and a control module; the method is characterized in that: the device also comprises a fixed bottom plate, a rotary support and a rotary bottom plate;
a spatial light path module is fixedly arranged on the fixed bottom plate;
the rotating support is vertically fixed on the fixed bottom plate and is positioned on one side of the spatial light path module; the vertical height of the rotary support is more than or equal to the height of the space light path module;
the rotating bottom plate is positioned above the fixed bottom plate, and one side of the rotating bottom plate is hinged with the rotating support, so that a rotating shaft of the rotating bottom plate is formed;
the optical fiber module and the control module are both fixedly installed on the upper surface of the rotating base plate.
2. An ultrashort pulse laser with a layered invertible structure as claimed in claim 1, wherein: the device also comprises a fixed support;
the fixed support is vertically fixed on the fixed bottom plate and is positioned on the other side of the spatial light path module; the vertical height of the rotary support is the same as that of the rotary support, and threaded holes are formed in the top end of the rotary support.
3. An ultrashort pulse laser with a layered invertible structure as claimed in claim 2, wherein: the short stay bar component is also included;
the short stay bar component comprises an extensible and shortened stay bar and a short stay bar fixing seat;
one end of the telescopic support rod is connected with the top end of the fixed support through a bolt, and the other end of the telescopic support rod is hinged with the short support rod fixed seat;
the short support rod fixing seat is installed on the lower surface of the rotating bottom plate and is located on one side far away from the rotating shaft.
4. An ultrashort pulse laser with a layered invertible structure as claimed in claim 2, wherein: the rotary support device also comprises two short support rod components positioned at two sides of the rotary bottom plate and a short support rod containing device arranged in the middle of the lower surface of the rotary bottom plate;
each short stay bar component comprises an extensible and contractible stay bar and a short stay bar fixing seat;
one end of the telescopic support rod is a ball head, and the other end of the telescopic support rod is provided with an inclined countersunk hole connected with the top end of the fixed support;
the short support rod fixing seat comprises a fixed mounting block and a movable mounting block, wherein the fixed mounting block is fixedly mounted on the lower surface of the rotating bottom plate and is provided with a first hemispherical hole, the movable mounting block is mounted on the fixed mounting block or the lower surface of the rotating bottom plate and is provided with a second hemispherical hole with an opening, and the size of the opening is slightly larger than the diameter of the telescopic short support rod;
the distance between the fixed mounting block and the movable mounting block is adjustable, so that a ball hole matched with a ball head on the telescopic stay bar is formed between the first hemispherical hole and the second hemispherical hole;
the short stay bar accommodating device comprises a U-shaped locking block, 2T-shaped locking bars and 2 springs;
the opening of the U-shaped locking block faces the lower surface of the rotary bottom plate;
a bulge is arranged on one side wall of the U-shaped locking block, the bulge penetrates through the rotating bottom plate, 2 step holes are formed in the side wall, and the 2 step holes are symmetrically arranged relative to the bulge;
the 2T-shaped locking rods respectively penetrate through the 2 step holes and then are connected with the rotating bottom plate;
2 springs are respectively sleeved on 2T-shaped locking rods, one end of each spring is in contact with the large end of each T-shaped locking rod, and the other end of each spring is in contact with the bottom of the large hole of the stepped hole in the U-shaped locking block.
5. An ultrashort pulse laser with a layered invertible structure as claimed in claim 1, wherein: the device also comprises a plurality of long stay bar tools;
each long stay bar tool comprises a telescopic long stay bar and a long stay bar fixing seat;
one end of the telescopic long stay bar is a U-shaped bracket, and the other end of the telescopic long stay bar is hinged with the long stay bar fixing seat;
and a plurality of supporting holes matched with the U-shaped bracket are formed in one side of the rotating bottom plate, which is far away from the rotating shaft.
6. An ultrashort pulse laser with a layered invertible structure as claimed in claim 2, wherein: the rotary bottom plate is also provided with a wiring hole and 2 fixing holes;
the wiring hole is positioned in the middle of one side of the rotating bottom plate close to the rotating shaft;
the 2 fixing holes are symmetrically arranged on one side, far away from the rotating shaft, of the rotating bottom plate, and the positions of the fixing holes correspond to those of the fixing supports.
7. An ultrashort pulse laser with a layered invertible structure as claimed in claim 1, wherein: the turning angle of the rotating bottom plate is 0-210 degrees.
8. An ultrashort pulse laser with a layered invertible structure as claimed in claim 1, wherein: the optical fiber module comprises a seed source, a stretcher, a single-mode amplification module and a multi-mode amplification module, and the control module comprises an electric control module and a temperature tuning module.
9. An ultrashort pulse laser with a layered invertible structure as claimed in claim 1, wherein: the fixed bottom plate is made of 6061 aluminum alloy, and the rotating bottom plate is made of stainless steel.
10. An ultrashort pulse laser with a layered invertible structure as claimed in claim 1, wherein: the space light path module is a module with a sealed design.
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US20150110136A1 (en) * 2012-06-12 2015-04-23 Braunleinsberg 10 Movable Modular Housing for a Short Pulse Laser with Integrated Amplifier
CN106033864A (en) * 2015-03-16 2016-10-19 中国科学院西安光学精密机械研究所 Multistage optical fiber amplifier
US20160344157A1 (en) * 2015-05-20 2016-11-24 Hc Photonics Corp. Compact Optical and Laser Systems and Ultrafast Laser Utilizing the Same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202231298U (en) * 2011-08-04 2012-05-23 无锡市中兴光电子技术有限公司 Miniature fiber amplifier
US20150110136A1 (en) * 2012-06-12 2015-04-23 Braunleinsberg 10 Movable Modular Housing for a Short Pulse Laser with Integrated Amplifier
CN106033864A (en) * 2015-03-16 2016-10-19 中国科学院西安光学精密机械研究所 Multistage optical fiber amplifier
US20160344157A1 (en) * 2015-05-20 2016-11-24 Hc Photonics Corp. Compact Optical and Laser Systems and Ultrafast Laser Utilizing the Same

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