線光譜光源 的英文怎麼說
中文拼音 [xiànguāngpǔguāngyuán]
線光譜光源
英文
line spectrum source- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 譜 : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
- 源 : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
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Evolving the underlying networks to support a mass market, however, presents a number of challenges : spectrum is a limited resource ; cdma standards have sub - optimal spectral efficiency ; layered 3g network architectures are not conducive to low - latency services ; and capacity - enhancing smart antenna or multiple antenna systems have been disappointing
但開發基本網路以滿足廣大市場,仍面臨幾大挑戰:頻譜資源有限、 cdma標準的光譜效率未達最優、分層3g網路架構未能實現即時服務、及容量增大的智能天線或多天線系統仍不盡人意。For liquid xe aerosol spray target, important lpp characteristics, such as laser - to - euv conversion efficiency, euv radiation absorption, debris production by target material erosion or deposition, are studied in detail, a 13. 4nm conversion efficiency of 0. 75 % into 2 % bandwidth and 2 steradian emission solid angle is achieved at 0. 5mm laser - nozzle distance
在實驗上,建成了一套高光譜解析度和高靈敏度的軟x射線脈沖輻射測量裝置。測量了co _ 2 、 o _ 2 、 cf _ 4 、 kr和xe液體微滴噴射靶lpp光源在6 20nm波段的軟x射線輻射光譜。( 2 ) according to lambert - beer law and related optical signal processing technology, analysis formula is presented to express the relationship between spectrum intensity and gas density after the two widely used semiconductor light resource led and dfbld functioned with inferred absorption spectrum line
( 2 )依據朗伯比爾( lambert - beer )定律和光學信息處理技術,給出了兩種常用半導體光源led和dfbld與紅外吸收線作用后,光譜分量強度與氣體濃度關系的解析表達式。A “ cosmic origins spectrograph ” will examine the structure and composition of the matter concentrated in the “ cosmic web ” ? long, narrow filaments of galaxies and intergalactic gas separated by huge voids
「宇宙起源光譜儀」將檢查聚集在「宇宙網」 (星系和星系間氣體被巨大的空間分隔所組成的狹長線)中的物質的結構和組成。With the rapid development of optical fiber communication technology, low - cost and high quality near infrared laser and light emitted diode working at room temperature become widely available. the emit wavelength from these light resource is not only consistent with the three low - decay windows of fiber optics, but also with many wide - frequency or recombination absorption spectrum of environmental and industrial gases
光纖通信技術的發展使相對低價、工作于常溫、高質量的近紅外激光器和發光二極體可廣泛獲得,這些發光光源的發射波長與光纖的三個低損耗窗口相一致,也與許多環境和工業氣體的泛頻或復合吸收譜線相一致。All - solid - state laser is an advantage lamp - house. it has many important applications and potential commercial value in many fields, such as industry, scientific research, military. so it ' s always the research focus of laser field. diode end - pumped solid - state laser has many merits. including high efficiency, long lifetime, high frequency stability, narrow line width, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments. in this thesis, a series of experiment research was done with regard to blue laser, green laser and infrared laser
激光二極體端面泵浦的固體激光器具有效率高、譜線窄、壽命長、結構簡單、使用方便等優點,特別是採用環行諧振腔內加光學單向器構成的單頻激光器,由於頻率穩定,使其成為許多高水平量子光學實驗的主要光源。本論文圍繞全固態單頻藍,綠,紅外激光器進行了一系列實驗研究工作。Output power equalization of laser dual spectrum lines is a special requirement which is put on its laser source by two wavelength beat - wave absolute distance interferometry
摘要雙譜線功率一致性是拍波干涉測長方案對激光光源提出的特殊要求。Abstract : we have studied the polarization beats spectroscopy with phase - conjugation geometry in a cascade three - level system. it was found that the accuracy for the energy - level difference measurement is determined by the homogeneous linewidths of the optical transitions. under the condition for the occurrence of beating, the frequency difference of the beat between two independent light sources could exceed the laser linewidth. the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth
文摘:研究了級聯三能級系統中的相位共軛極化拍頻光譜術.發現其對能級差的測量精度決定於光學躍遷的均勻增寬.在符合拍頻條件時,兩獨立光源拍頻的頻差可以超出激光線寬,激光絕對頻率的測量精度可達到與激光線寬同一量級The variation of the film composition can be monitored by using the method of spectrum analysis during the film deposition ( for the intensity of the persistent line is proportional to the particle density of the element in the vacuum chamber ). the measurement of the transmission spectrum of the film on a transparent substrate can be used to calculate the film parameters, such as refractive index, extinction coefficient and the thickness of the film. therefore, the combination of the two methods would be helpful to on line monitoring the film constituents and the optical paramenters in the preparation of thin films
在制備薄膜的過程中,利用光譜分析的方法,以放電光譜特徵譜線強度的變化來反映相應物質成分的變化,以連續光譜光源發出的光透射過薄膜的透射率的變化,來反映薄膜的厚度、折射率、吸收系數等光學參數的變化,從而達到在制膜過程中,對薄膜的成分、厚度等參數進行在線監控的目的Analysis of stainless steel wire by spark source atomic emission spectrometry
不銹鋼線材的火花源原子發射光譜分析With the rapid development of optical fiber communication technology, low - cost and high quality near inferred laser and light emitted diode working at room temperature become widely available. the emit wavelength from these light resource is not only consistent with the three low - decay windows of fiber optics, but also with many wide - frequency or recombination absorption spectrum of environmental and industrial gases
光纖通信技術的發展使相對低價、工作于常溫、高質量的近紅外激光和發光二極體可廣泛獲得,這些發光光源的發射波長與光纖的三個低損耗窗口相一致,也與許多環境和工業氣體的泛頻或復合吸收譜線相一致。Raman fiber amplifier ( rfa ) is a kind of optical amplifier that can amplify signal light directly through nonlinear interaction of high intensity pump and signal light in fiber. whereas the spectrum of raman gain coefficient of optical fiber is not flat, the gain of signal light with different wavelength induced by a single pump is rather different, when wavelength division multiplexing ( wdm ) signal light is amplified by a single pump, the gain spectrum of the wdm signal light is not flat. the flatness of the wdm signal light has important impact on the optical signal - to - noise ratio ( osnr )
拉曼光纖放大器( ramanfiberamplifier ,簡稱rfa )利用高強度的泵浦光與信號光在光纖中的非線性相互作用實現信號光的直接放大,但是由於光纖的拉曼增益系數譜很不平坦,所以同一泵浦光源對不同波長信號光的增益就存在很大的差別,因此,用單泵浦光源來放大波分復用( wavelengthdivisionmulti - plexing ,簡稱wdm )信號光時,各信號光的增益值就有很大差異, wdm信號增益的平坦度對光信噪比( opticalsignal - noiseratio ,簡稱osnr )有重要影響。The sl401 circulating water refrigeration unit is mostly used as a supporting product for precision instrument facilities with the need of isothermal cooling water, for example, the x - ray diffractometer, fluorescence spectrometer, scanning microscope, laser, energy spectrometer, vacuum forming machine, high - frequency generator, mocvd, etc
Sl401型循環水製冷機組主要為x射線衍射儀、熒光光譜儀、掃描顯微鏡、激光器、能譜、真空成型機、高頻機、 mocvd等需用恆溫冷卻水源的精密儀器設備的配套產品。The main purposes and contributions of this thesis are following : 1. after choosing the pump laser, the optical isolator, the wavelength division multiplexing ( wdm ), the erbium - doped fiber and the edsfs structure, the original edsfs spectrum could be measured. 2
本文的主要工作包括以下幾部分: 1 .按照光源要求達到的主要技術指標,選擇泵浦激光器,光隔離器,光波分復用器,選擇摻鉺光纖類型及長度;選擇光源結構之後,組裝並測試得到原始光edsfs模塊增益譜線。Mms - based instruments are ideal for measuring weak, scattering and diffuse sources and samples because the spectrometer can collect and process far more light through its wide area aperture, without affecting spectral resolution
基於mms技術的設備非常適合測量測量難以測量的、散射的發散源以及樣品,因為通過一個大口徑編碼光闌,這種光譜儀就能夠集聚並處理更多的光線,而不會影響光譜解析度。Analysis of state for passive film formed on metallic biomaterials by x - ray photoelectron spectroscopy
用x射線光電子光譜法分析金屬生物材料形成的無源膜的狀態The recovery can reach 95 % after it extracts once, rsd % is lower than 10 %, the detection limit of zirconium is 1. 3u. g / ml. and increasing the application of film in xrf is studied. the method of using organic sample to make resource after extracted by tta can be used to determine zirconium in simulated p rocess solution of spent fuel reprocessing quickly and veraciouly
萃取一次便可達到理想的萃取效果,回收率可達95 ,相對標準偏差10 ,鋯的檢出限為1 . 30 g / ml ,同時改進了薄膜法在x射線熒光光譜法中的應用范圍,此方法採用tta萃取分離的有機相直接制源可快速、準確地對測定purex模擬工藝料液中的鋯含量。Synchrotron radiation source ' s excellent characteristic made it as ideal euv and soft x - ray standard source, the spectrum can be calculated from the storage ring parameters
同步輻射的一系列優異的特性決定了它是非常理想的極紫外和軟x射線標準光源,輻射光譜可以通過存儲環的參數計算得到。Laser diode end pumped solid - state laser has many advantages, including high efficiency, high frequency stability, narrow fine width, long lifetime, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments
激光二極體端面泵浦的固體激光器具有效率高,頻率穩定,譜線窄,壽命長,結構簡單,使用方便等優點,使其成為許多高水平的量子光學實驗的主要光源。At last an experiment x - ray source equipment was constructed using cnts as cathode. the field emission of cnts was measured and cu " ka spectrum was detected. those implied that practical miniature x - ray source could be accomplished
為了驗證場發射陰極x射線源的可行性,實驗上以碳納米材料為陰極,測得了其場發射電流曲線和銅靶的k _譜線,表明完全可以採用碳納米管製造微型x光源。分享友人