WO2013152781A1 - Anordnung zum vermessen von laserpulsen - Google Patents
Anordnung zum vermessen von laserpulsen Download PDFInfo
- Publication number
- WO2013152781A1 WO2013152781A1 PCT/EP2012/001569 EP2012001569W WO2013152781A1 WO 2013152781 A1 WO2013152781 A1 WO 2013152781A1 EP 2012001569 W EP2012001569 W EP 2012001569W WO 2013152781 A1 WO2013152781 A1 WO 2013152781A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pulse
- measuring arrangement
- laser
- arrangement according
- pulses
- Prior art date
Links
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J11/00—Measuring the characteristics of individual optical pulses or of optical pulse trains
Definitions
- the measuring arrangement preferably has a shaft plate arranged in front of the Bragg reflector, for example a lambda / 4 plate.
- a shaft plate arranged in front of the Bragg reflector, for example a lambda / 4 plate.
- the polarization direction of the laser light can be rotated by 90 °, resulting in a low-loss or even completely lossless beam guidance of the laser light by a polarizing beam splitter (PBS).
- PBS polarizing beam splitter
- Another implementation of the measuring arrangement is based on non-perpendicular incidence on the Bragg reflector, whereby the beam of the stretched pulse can be extracted with low loss.
- a set of mutually exchangeable, different chirped Bragg reflectors is provided, one of which can be used as a pulse stretcher in the measuring arrangement.
- the Bragg reflector for example, in their lattice constants differ from each other and so be particularly well suited for reflecting laser pulses at different central wavelengths, for example, at 2 ⁇ , 1, 5 ⁇ , 1030 nm or 800 nm, or at any other wavelengths.
- the measuring arrangement can be optimally adapted to the properties of the laser pulse to be measured.
- the chirped Bragg reflector can be modified in terms of its optical properties, in particular with regard to the lattice constants of the Bragg grating. This could be made possible by the formation of a chirped Bragg reflector in a photorefractive material, ie with a material with an intensity-dependent refractive index such as Rh: BaTi0 3 . By irradiating interfering laser light into the photorefractive material, a Bragg reflector could be generated there and varied in its optical properties.
- a polarizing beam splitter (PBS) 6 This directs the second Laserpulskopie on a pulse stretcher 7, which is formed according to the invention as a chirped Bragg reflector or CVBG.
- the lattice planes 8 of the Bragg reflector are indicated. It can be seen that these lattice planes 8 are closer together near the entry point of the laser light into the pulse stretcher 7 than at the rear, right end of the pulse stretcher 7. This results in the higher-frequency spectral components of the second laser coil being reflected earlier in the pulse stretcher than the low-frequency ones , longer-wave components (or the other way round when the Bragg reflector is reversed). In this way, a laser pulse 2c which is greatly extended in time and which also receives a so-called chirp, that is to say a period of time, is obtained from the second laser pulse copy. H. an over its temporal course changing frequency or wavelength.
- the measuring arrangement according to the invention can be changed in many ways.
- a Faraday rotator instead of the lambda / 2 plate 10, which can perform the same task as the lambda / 2 plate.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2012/001569 WO2013152781A1 (de) | 2012-04-11 | 2012-04-11 | Anordnung zum vermessen von laserpulsen |
DE112012006228.0T DE112012006228A5 (de) | 2012-04-11 | 2012-04-11 | Anordnung zum Vermessen von Laserpulsen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2012/001569 WO2013152781A1 (de) | 2012-04-11 | 2012-04-11 | Anordnung zum vermessen von laserpulsen |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013152781A1 true WO2013152781A1 (de) | 2013-10-17 |
Family
ID=45974246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/001569 WO2013152781A1 (de) | 2012-04-11 | 2012-04-11 | Anordnung zum vermessen von laserpulsen |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE112012006228A5 (de) |
WO (1) | WO2013152781A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109755847A (zh) * | 2018-12-27 | 2019-05-14 | 中国科学技术大学 | 一种超短激光脉冲串的产生方法 |
WO2021203499A1 (zh) * | 2020-04-09 | 2021-10-14 | 华南理工大学 | 光脉冲信号处理系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6611336B1 (en) | 1997-08-01 | 2003-08-26 | The University Of Rochester | Pulse measurement using frequency shifting techniques |
US20060221449A1 (en) * | 2005-01-24 | 2006-10-05 | Glebov Leonid B | Stretching and compression of laser pulses by means of high efficiency volume diffractive gratings with variable periods in photo-thermo-refractive glass |
US7599067B2 (en) * | 2005-05-20 | 2009-10-06 | Isis Innovation Limited | Ultra-short optical pulse measurement using a thick nonlinear crystal |
US20110206070A1 (en) * | 2010-02-24 | 2011-08-25 | Michael Karavitis | High Power Femtosecond Laser with Adjustable Repetition Rate |
DE102011012768A1 (de) | 2010-03-01 | 2011-12-29 | The Board Of Trustees Of The Michigan State University | Lasersystem für steuerung seinem ausgang |
-
2012
- 2012-04-11 DE DE112012006228.0T patent/DE112012006228A5/de not_active Ceased
- 2012-04-11 WO PCT/EP2012/001569 patent/WO2013152781A1/de active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6611336B1 (en) | 1997-08-01 | 2003-08-26 | The University Of Rochester | Pulse measurement using frequency shifting techniques |
EP1000315B1 (de) | 1997-08-01 | 2006-06-28 | The University Of Rochester | Impulsmessungen mittels frequenzverschiebungstechniken |
US20060221449A1 (en) * | 2005-01-24 | 2006-10-05 | Glebov Leonid B | Stretching and compression of laser pulses by means of high efficiency volume diffractive gratings with variable periods in photo-thermo-refractive glass |
US7424185B2 (en) | 2005-01-24 | 2008-09-09 | University Of Central Florida Research Foundation, Inc. | Stretching and compression of laser pulses by means of high efficiency volume diffractive gratings with variable periods in photo-thermo-refractive glass |
US7599067B2 (en) * | 2005-05-20 | 2009-10-06 | Isis Innovation Limited | Ultra-short optical pulse measurement using a thick nonlinear crystal |
US20110206070A1 (en) * | 2010-02-24 | 2011-08-25 | Michael Karavitis | High Power Femtosecond Laser with Adjustable Repetition Rate |
DE102011012768A1 (de) | 2010-03-01 | 2011-12-29 | The Board Of Trustees Of The Michigan State University | Lasersystem für steuerung seinem ausgang |
Non-Patent Citations (3)
Title |
---|
C. LACONIS; I. A. WALMSLEY: "Self-referencing Spectral interferometry for Measuring Ultrashort Optical Pulses", IEEE JOURN. OF QUANTUM ELECTRON, vol. 35, 1999, pages 501 - 509 |
C. LACONIS; I. A. WALMSLEY: "Spectral phase interferometry for direct electrical-field reconstruction of ultrashort optical pulses", OPTICS LETTERS, vol. 23, 1998, pages 792 - 794 |
M.E. ANDERSON ET AL: "SPIDER: A decade of measuring ultrashort pulses", LASER PHYSICS LETTERS, vol. 5, no. 4, 1 April 2008 (2008-04-01), pages 259 - 266, XP055045632, ISSN: 1612-2011, DOI: 10.1002/lapl.200710129 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109755847A (zh) * | 2018-12-27 | 2019-05-14 | 中国科学技术大学 | 一种超短激光脉冲串的产生方法 |
WO2021203499A1 (zh) * | 2020-04-09 | 2021-10-14 | 华南理工大学 | 光脉冲信号处理系统 |
CN113514149A (zh) * | 2020-04-09 | 2021-10-19 | 华南理工大学 | 光脉冲信号处理系统 |
CN113514149B (zh) * | 2020-04-09 | 2022-04-22 | 华南理工大学 | 光脉冲信号处理系统 |
US11768113B2 (en) | 2020-04-09 | 2023-09-26 | South China University Of Technology | Light pulse signal processing system comprising a cylindrical lens to provide a signal light pulse having a spatial angle chirp incident on a pair of long mirrors at different angles |
Also Published As
Publication number | Publication date |
---|---|
DE112012006228A5 (de) | 2015-01-15 |
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