In this paper photoluminescence ( pl ) spectra and time - resolved spectra were applied to study inas quantum dots . and we have got some significative results 本論文較為深入地研究了量子點(diǎn)的光致發(fā)光譜( pl )和時(shí)間分辨譜( ts ) ,并取得了一些有意義的結(jié)果。
The key technology of measuring time - resolved spectrum is to design and make the special light beam modulator that is used to the time - resolved spectrum detecting 瞬態(tài)時(shí)間分辨譜測(cè)量方法的關(guān)鍵技術(shù):設(shè)計(jì)和研制了專(zhuān)用于時(shí)間分辨譜采集分析的光束調(diào)制器。
( 2 ) . inas quantum dots and wetting layer were studied and compared by using photoluminescence and time - resolved spectrum . luminescent mechanics model of inas quantum dots and wetting layer were presented , and it explained our results well ( 2 )采用光致發(fā)光譜及時(shí)間分辨譜對(duì)inas量子點(diǎn)及浸潤(rùn)層的發(fā)光性質(zhì)開(kāi)展研究和對(duì)比,提出單層inas量子點(diǎn)和浸潤(rùn)層發(fā)光的機(jī)理模型,較好地解釋了實(shí)驗(yàn)結(jié)果。
In this method of measuring temperature , when the measuring results of time - resolved spectrum have been completed , computing the fit spectrum of corresponding planck bold - radiation with least duple multiply theory , the temperature is measured 溫度擬合方法的主要思想:獲得光譜的時(shí)間分辨測(cè)量結(jié)果后,用最小二乘法原理計(jì)算熱輻射譜(主要在可見(jiàn)光區(qū))擬合得到相應(yīng)普朗克黑體輻射加線(xiàn),并解析其溫度。
For investigating thermal character changing of matter with shock compression , we need to measure the time character of radiating spectrum of matter with shock compression and its temperature , that is to measure transient time - resolved spectrum and its temperature 為了研究沖擊加載下物質(zhì)熱特性的變化,需要測(cè)量沖擊壓縮態(tài)物質(zhì)所發(fā)射脈沖熱輻射光譜及溫度的時(shí)間特性,即進(jìn)行瞬態(tài)光譜的時(shí)間分辨測(cè)量及溫度解析。
In this paper , the time - resolved spectrum measurement instrument has been improved and optimized based on what we have done , the real experiments for measuring time - resolved spectrum of xe flash - lamp and time - resolved spectrum of matter under pulse laser shocking were made 本文在本科研組已有工作基礎(chǔ)上改進(jìn)和優(yōu)化了時(shí)間分辨譜測(cè)量方法和裝置,對(duì)xe閃光燈脈沖時(shí)間分辨光譜進(jìn)行了成功的實(shí)測(cè),對(duì)脈沖激光沖擊靶材的輻射譜進(jìn)行了時(shí)間分辨測(cè)量。
In this method of measuring time - resolved spectrum , a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam , and the space - distribution spectrum is dispersed by a multi - spectrometer , then it is detected by an ordinary 2 - d ccd array detector 瞬態(tài)時(shí)間分辨譜測(cè)量方法的主要思想:使用特殊光束調(diào)制器把光譜隨時(shí)間的變化過(guò)程轉(zhuǎn)化為光強(qiáng)的空間分布,經(jīng)色散后,以二維探測(cè)器接收并轉(zhuǎn)換光信號(hào)為電信號(hào),用通用計(jì)算機(jī)控制采集并處理光譜數(shù)據(jù)。
For getting temperature of transient thermal - radiation , lodging the method of measuring the temperature of the time - resolved thermal - radiation with least duple multiply theory , and measuring the temperature of wu lamp with this method , the results showed that the method have best properties for measuring temperature , and measuring the temperature of time - resolved spectrum of matter under pulse laser shocking with this method , getting the primary results 為了解析瞬態(tài)熱輻射溫度,提出用最小二乘法對(duì)由多道分析器采集的時(shí)間分辨熱輻射譜進(jìn)行全譜溫度擬合的方法,在以鎢帶燈為輻射源的溫度測(cè)量中實(shí)現(xiàn)了較高精度的溫度擬合,用此方法對(duì)激光沖擊靶材所產(chǎn)生熱輻射的時(shí)間分辨譜溫度進(jìn)行測(cè)量,得到了初步結(jié)果。