D. Daiya , R.K. Patidar , A. Moorti , M.P. Kamath , N.S. Benerji
{"title":"All reflective FROG using near 90° retro-reflecting mirror for single shot intensity and phase profile measurement of ultra-short laser pulse","authors":"D. Daiya , R.K. Patidar , A. Moorti , M.P. Kamath , N.S. Benerji","doi":"10.1016/j.rio.2024.100661","DOIUrl":null,"url":null,"abstract":"<div><p>In this paper, we propose a novel scheme for an all-reflective FROG device using a near-90° <em>retro</em>-reflecting mirror for the complete single-shot measurement of intensity and phase of ultra-short laser pulses. The proposed device has several advantages, such as (1) it is an all-reflective setup, hence no added material dispersion; (2) it is simple and free from alignment disturbances; and (3) the temporal resolution and temporal range of the device can be tuned as per requirement. The proposed device was set up to measure mode-locked ultra-short laser pulses generated from a Ti:Sapphire laser oscillator. Dispersion-broadened laser pulses, obtained by passing the oscillator pulses through a 30 cm long Nd:glass rod, were also characterized, and the group velocity dispersion parameter value of the glass rod was estimated.</p></div>","PeriodicalId":21151,"journal":{"name":"Results in Optics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666950124000580/pdfft?md5=637a8282dee8dae26af5983747a80650&pid=1-s2.0-S2666950124000580-main.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Results in Optics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2666950124000580","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Physics and Astronomy","Score":null,"Total":0}
引用次数: 0
Abstract
In this paper, we propose a novel scheme for an all-reflective FROG device using a near-90° retro-reflecting mirror for the complete single-shot measurement of intensity and phase of ultra-short laser pulses. The proposed device has several advantages, such as (1) it is an all-reflective setup, hence no added material dispersion; (2) it is simple and free from alignment disturbances; and (3) the temporal resolution and temporal range of the device can be tuned as per requirement. The proposed device was set up to measure mode-locked ultra-short laser pulses generated from a Ti:Sapphire laser oscillator. Dispersion-broadened laser pulses, obtained by passing the oscillator pulses through a 30 cm long Nd:glass rod, were also characterized, and the group velocity dispersion parameter value of the glass rod was estimated.
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