CN105393415B - 径向偏振薄片激光器 - Google Patents
径向偏振薄片激光器 Download PDFInfo
- Publication number
- CN105393415B CN105393415B CN201380077673.0A CN201380077673A CN105393415B CN 105393415 B CN105393415 B CN 105393415B CN 201380077673 A CN201380077673 A CN 201380077673A CN 105393415 B CN105393415 B CN 105393415B
- Authority
- CN
- China
- Prior art keywords
- laser
- brewster
- gain medium
- axicon
- radial polarisation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/0604—Crystal lasers or glass lasers in the form of a plate or disc
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/001—Axicons, waxicons, reflaxicons
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3066—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state involving the reflection of light at a particular angle of incidence, e.g. Brewster's angle
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/0615—Shape of end-face
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08059—Constructional details of the reflector, e.g. shape
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
- H01S3/0813—Configuration of resonator
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
- H01S3/1603—Solid materials characterised by an active (lasing) ion rare earth
- H01S3/1618—Solid materials characterised by an active (lasing) ion rare earth ytterbium
-
- 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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/163—Solid materials characterised by a crystal matrix
- H01S3/164—Solid materials characterised by a crystal matrix garnet
- H01S3/1643—YAG
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/14—Semiconductor lasers with special structural design for lasing in a specific polarisation mode
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/20—Lasers with a special output beam profile or cross-section, e.g. non-Gaussian
-
- 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
- H01S3/025—Constructional details of solid state lasers, e.g. housings or mountings
-
- 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
- H01S3/04—Arrangements for thermal management
- H01S3/042—Arrangements for thermal management for solid state lasers
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/0602—Crystal lasers or glass lasers
- H01S3/0612—Non-homogeneous structure
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08018—Mode suppression
- H01S3/0804—Transverse or lateral modes
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08054—Passive cavity elements acting on the polarization, e.g. a polarizer for branching or walk-off compensation
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
- H01S3/0933—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of a semiconductor, e.g. light emitting diode
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094084—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light with pump light recycling, i.e. with reinjection of the unused pump light, e.g. by reflectors or circulators
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Lasers (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2013/087680 WO2015074244A1 (zh) | 2013-11-22 | 2013-11-22 | 径向偏振薄片激光器 |
Publications (3)
Publication Number | Publication Date |
---|---|
CN105393415A CN105393415A (zh) | 2016-03-09 |
CN105393415A8 CN105393415A8 (zh) | 2017-01-25 |
CN105393415B true CN105393415B (zh) | 2018-12-28 |
Family
ID=53178818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201380077673.0A Active CN105393415B (zh) | 2013-11-22 | 2013-11-22 | 径向偏振薄片激光器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9806484B2 (zh) |
CN (1) | CN105393415B (zh) |
WO (1) | WO2015074244A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016213561A1 (de) * | 2016-07-25 | 2018-01-25 | Trumpf Laser Gmbh | Optische Anordnung mit scheibenförmigem laseraktiven Medium |
JP7341673B2 (ja) * | 2019-02-27 | 2023-09-11 | 三菱重工業株式会社 | レーザ装置 |
CN113843509B (zh) * | 2021-09-13 | 2024-06-04 | 武汉先同科技有限公司 | 集成式手持激光打标机 |
CN114284849B (zh) * | 2021-12-30 | 2024-01-09 | 云南大学 | 基于变焦空心光泵浦可调涡旋位相正交圆筒柱矢量激光器 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3950712A (en) * | 1975-04-14 | 1976-04-13 | United Technologies Corporation | Unstable laser resonator having radial propagation |
US4514850A (en) * | 1983-05-16 | 1985-04-30 | Rockwell International Corporation | Common-pass decentered annular ring resonator |
US5359622A (en) * | 1993-03-30 | 1994-10-25 | Trw Inc. | Radial polarization laser resonator |
US6115400A (en) * | 1997-08-20 | 2000-09-05 | Brown; David C. | Total internal reflection thermally compensated rod laser |
CN1290415A (zh) * | 1998-11-10 | 2001-04-04 | 东京电子株式会社 | 光反应装置 |
JP2007059591A (ja) * | 2005-08-24 | 2007-03-08 | Mitsubishi Heavy Ind Ltd | 光励起ディスク型固体レーザ共振器、光励起ディスク型固体レーザシステム |
CN101552425A (zh) * | 2009-05-13 | 2009-10-07 | 中国科学院上海光学精密机械研究所 | 输出径向偏振光束的激光器 |
US7978408B2 (en) * | 2008-12-08 | 2011-07-12 | Disco Corporation | Polarizing device and laser unit |
CN103326224A (zh) * | 2013-06-19 | 2013-09-25 | 中国科学技术大学 | 一种径向偏振光束激光器 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3523641C1 (de) | 1985-07-02 | 1986-12-18 | Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V., 3400 Göttingen | Einrichtung zum Selektieren von rotationssymmetrischen Polarisationskomponenten einesLichtbuendels und Verwendung einer solchen Einrichtung |
US5375130A (en) | 1993-05-13 | 1994-12-20 | Trw Inc. | Azimuthal and radial polarization free-electron laser system |
DE19835107A1 (de) * | 1998-08-04 | 2000-02-17 | Univ Stuttgart Strahlwerkzeuge | Laserverstärkersystem |
WO2001009993A1 (fr) * | 1999-08-02 | 2001-02-08 | Junheng Wang | Gyroscope a laser a cavite resonante comprenant un prisme conique circulaire |
WO2006072182A1 (en) * | 2005-01-10 | 2006-07-13 | Kresimir Franjic | Laser amplifiers with high gain and small thermal aberrations |
EP1744187A1 (en) | 2005-07-15 | 2007-01-17 | Vrije Universiteit Brussel | Folded radial brewster polariser |
US7627017B2 (en) * | 2006-08-25 | 2009-12-01 | Stc. Unm | Laser amplifier and method of making the same |
US8908737B2 (en) * | 2011-04-04 | 2014-12-09 | Coherent, Inc. | Transition-metal-doped thin-disk laser |
-
2013
- 2013-11-22 CN CN201380077673.0A patent/CN105393415B/zh active Active
- 2013-11-22 US US15/034,130 patent/US9806484B2/en active Active
- 2013-11-22 WO PCT/CN2013/087680 patent/WO2015074244A1/zh active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3950712A (en) * | 1975-04-14 | 1976-04-13 | United Technologies Corporation | Unstable laser resonator having radial propagation |
US4514850A (en) * | 1983-05-16 | 1985-04-30 | Rockwell International Corporation | Common-pass decentered annular ring resonator |
US5359622A (en) * | 1993-03-30 | 1994-10-25 | Trw Inc. | Radial polarization laser resonator |
US6115400A (en) * | 1997-08-20 | 2000-09-05 | Brown; David C. | Total internal reflection thermally compensated rod laser |
CN1290415A (zh) * | 1998-11-10 | 2001-04-04 | 东京电子株式会社 | 光反应装置 |
JP2007059591A (ja) * | 2005-08-24 | 2007-03-08 | Mitsubishi Heavy Ind Ltd | 光励起ディスク型固体レーザ共振器、光励起ディスク型固体レーザシステム |
US7978408B2 (en) * | 2008-12-08 | 2011-07-12 | Disco Corporation | Polarizing device and laser unit |
CN101552425A (zh) * | 2009-05-13 | 2009-10-07 | 中国科学院上海光学精密机械研究所 | 输出径向偏振光束的激光器 |
CN103326224A (zh) * | 2013-06-19 | 2013-09-25 | 中国科学技术大学 | 一种径向偏振光束激光器 |
Also Published As
Publication number | Publication date |
---|---|
CN105393415A (zh) | 2016-03-09 |
US20160285225A1 (en) | 2016-09-29 |
WO2015074244A1 (zh) | 2015-05-28 |
US9806484B2 (en) | 2017-10-31 |
CN105393415A8 (zh) | 2017-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105324890B (zh) | 径向偏振薄片激光器 | |
JP5135207B2 (ja) | チューブ固体レーザ | |
CN103618205B (zh) | 一种全固态单纵模黄光激光器 | |
CN105393415B (zh) | 径向偏振薄片激光器 | |
US20040233960A1 (en) | Diode-pumped solid state disk laser and method for producing uniform laser gain | |
JP7037731B2 (ja) | フォノンバンド端発光に基づく全固体大出力スラブレーザ | |
CN110086070B (zh) | 一种高泵浦吸收、高功率输出的新型薄片激光器结构 | |
CN107681426A (zh) | 一种偏振连续可调的柱对称矢量光固体激光器 | |
CN105071217A (zh) | 一种自倍频全固态黄光激光器 | |
CN107845948A (zh) | 一种谐振腔内泵浦的碟片激光器 | |
WO2020118914A1 (zh) | 一种高功率板条绿光激光器 | |
WO2005091447A1 (ja) | レーザー装置 | |
US5539765A (en) | High efficiency laser | |
CN113078534B (zh) | 一种基于复合结构增益介质的腔内级联泵浦激光器 | |
US6947465B2 (en) | Solid state laser | |
RU2582909C2 (ru) | Дисковый лазер (варианты) | |
CN108512027B (zh) | 用于皮秒种子激光脉冲的环形腔放大装置 | |
CN208508230U (zh) | 一种端面均匀泵浦固体激光器 | |
Bui et al. | Diode-Pumped Nd: KGd (WO 4) 2 Laser: Lasing at Fundamental and Second Harmonic Frequencies | |
CN108899753A (zh) | 一种端面均匀泵浦固体激光器 | |
US6775313B1 (en) | Laser having a temperature controlled solid-state dye gain element | |
JP5347127B2 (ja) | 異方性レーザー結晶を利用したダイオードポンピングされたレーザー装置 | |
CN117117609B (zh) | 椭圆曲面腔碟片激光器 | |
US20220416494A1 (en) | Side-pumped solid-state disk laser for high gain | |
RU74011U1 (ru) | Твердотельный лазер с накачкой лазерными диодами |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CI01 | Correction of invention patent gazette |
Correction item: Applicant Correct: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD.|Shenzhen Han's CNC Science and Technology Co., Ltd. False: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD.|Big nation of Shenzhen numerical control science and technology has company Number: 10 Volume: 32 |
|
CI02 | Correction of invention patent application |
Correction item: Applicant Correct: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD.|Shenzhen Han's CNC Science and Technology Co., Ltd. False: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD.|Big nation of Shenzhen numerical control science and technology has company Number: 10 Page: The title page Volume: 32 |
|
ERR | Gazette correction | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200630 Address after: No. 9988 Nanshan District Shennan Road Shenzhen city Guangdong province 518057 Patentee after: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. Address before: Dazu laser Building No. 9 Nanshan District high tech Park North new road Shenzhen city Guangdong province 518000 Co-patentee before: SHENZHEN HAN'S CNC SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd. |