三倍频

本文报导了一种具有精密恒温的角相位匹配KDP二倍频、三倍频系统，其特点是温度恒温控制在40℃，稳定度0，1℃。

An angle phase matching KD P SHG and THG system with fine tem-perature control has been developed , the operating temperature is 40 ℃ and temperature stability is 0.1 ℃.

传统的非偏振耦合三倍频模式与偏振耦合三倍频特殊模式均可以归入到相应的类别中，并代表了该类模式的共同性质。

The conventional non-polarization coupling THG mode and the special mode of polarization coupling THG could be classified into their corresponding group , representing the common properties within their own group . 3 .

偏振分配角θp对高功率激光三倍频波形的影响

Influences of Polarization Angle θ _p on Pulse Shape of High Power Laser Frequency Tripling

C波段双栅砷化镓场效应管三倍频器的研制

Development of C-band dual-gate GaAs MESFET frequency tripler

Cr~（4+）：YAG被动调Q腔外三倍频紫外激光器

Cr ~ ( 4 + ): YAG passively Q-switched extra-cavity third-harmonic laser

V波段变容管三倍频器

A V-Band Varactor Tripler

基于位相失配三倍频（Δk≠0）转换，构建了产生高阶非线性相移的χ（2）级联非线性过程。

Based on the phase mismatched frequency tripling , a special configuration is proposed to produce high order nonlinear phase shifts .

高功率激光装置中的三倍频Nd∶YLF模拟激光系统

Third-harmonic Nd ∶ YLF Simulating Laser System in High Power Setup

LD泵浦Nd：GdVO4晶体LBO三倍频紫外激光器

LD Pumped Nd : GdVO_4 Crystal Ultraviolet Laser with LBO Frequency Tripling

ICF驱动器长脉冲下三倍频晶体中的横向受激拉曼散射

Transverse stimulated Raman scattering in tripler of ICF driver for long pulse

KDP晶体三倍频实验和分析

The Experimental and Analysis of Third Harmonic Generation in KDP Crystal

高通量条件下KDP晶体三倍频参数的优化

Optimizing of third harmonic generation parameters in KDP crystal under the high fluence

报道了二极管（LD）端面泵浦Nd：GdVO4晶体腔外三倍频紫外激光器。

A laser-diode ( LD ) pumped Nd : GdVO_4 extra-cavity frequency tripling ultraviolet laser with a LBO crystal was demonstrated .

紧凑型LD端面抽运Nd：YAG内腔三倍频准连续355nm紫外激光器

Compact LD end-pumped Nd : YAG intracavity frequency-tripled quasi-continuous 355 nm laser

KTP晶体作为一种综合性能优良的非线性光学晶体，应用于1319nm三倍频处具有极其重要的理论和实际意义。

KTP crystal , as a good overall performance nonlinear optical crystal , has extremely important theoretical and practical significance applying in THG .

根据以上分析和实际应用需要，集中于对两种倍频器的研制：V频段宽带三倍频器及Ka频段宽带二倍频器。

According to practical application , this paper mainly focused on two different kinds of millimeter broadband frequency multipliers : one is V band tripler and the other is Ka band doubler .

利用Nd∶YAG激光的三倍频355nm波长输出在甲烷及甲烷和氢气混合气体中的拉曼特性进行研究。

The SRS characteristics have been studied pumped by a triple-frequency Nd ∶ YAG laser in methane and a mixture gas of methane and hydrogen .

研究结果表明，使用两块级联的KDP晶体作为混频晶体，不仅能有效地提高带宽较宽条件下三倍频光的转换效率，还可以显著增大宽带三倍频的动态范围。

The results show that using the scheme of cascade crystals can improve the third harmonic conversion efficiency and increase the dynamic range of the broadband laser tripling .

用Nd∶YAG激光器的三倍频355nm光作为激发光源，根据激光诱导荧光（LIF）方法激发并探测污染水体的荧光光谱。

The polluted water column is excited with the third harmonics ( 355 nm ) of Nd ∶ YAG laser and fluorescence spectrum is detected by laser induced fluorescence technique .

采用Nd∶YAG激光器三倍频输出355nm作为发射激光，利用弱光子计数技术检测大气中分子的瑞利散射和N2分子振动拉曼散射回波，分析得到了平流层和对流层中上部大气温度的垂直分布廓线。

Molecular Rayleigh and nitrogen vibration Raman scattering returns are detected by the photon counting technique . Then , vertical profiles of atmospheric temperature are derived in the stratosphere and mid-upper troposphere .

在ICF的终端光学聚焦系统中，采用取样光栅（BSG）将透射的三倍频光按一定比例送入能量计中进行能量诊断。

Beam sampling grating are used to send a known fraction of transmitted light into a calorimeter for energy diagnostics in final focusing optical system of ICF .

报道了三倍频脉冲Nd∶YAG激光（355nm）在两种不同带宽模式下抽运氧气中受激拉曼散射（SRS）和受激布里渊散射（SBS）的实验研究。

Experimental results of reported stimulated Raman scattering ( SRS ) and stimulated Brillouin scattering ( SBS ) in oxygen pumped by a pulsed NdYAG laser at 355 nm in two different bandwidth cases are reported .

研究了在高功率条件下，采用大口径KDP晶体进行三倍频转换时，KDP晶体的三阶非线性效应对高强度三倍频转换效率和光束质量的影响。

Using type I / II angle-detuning schemes for third harmonics generation , the effect of third-order nonlinear effect of KDP crystal on the tripling efficiency and beam quality under high power condition has been studied .

研究结果表明，采用ASD方法，不仅能有效地提高带宽较宽条件下三倍频光的转换效率，而且还可以使三倍频光脉宽和带宽明显变宽、脉冲波形和光谱分布变光滑。

The results show that the conversion efficiency , the pulse width and the bandwidth of the third harmonic field increase significantly and the pulse shape and spectral distribution become smooth by using grating angular spectral dispersion .

准周期LiTaO3光学超晶格及其三倍频效应

Quasiperiodic litao_3 optical superlattices and third

在高功率条件下，以班I类角度失谐的KDP晶体倍频方案为例，研究低频位相畸变和中、高频位相畸变对三倍频光聚焦特性的影响。

Taking the type I / II angle-detuning scheme for third harmonics generation as an example , the influence of low-frequency phase perturbation and the high frequency phase noise on the focal characterization of the tripling field has been studied .

研究结果表明，在单倍双混模式下使用CLBO晶体作为频率转换的非线性晶体可以有效地提高宽带三倍频的转换效率。

Obtained results show that broadband THG conversion efficiency can be improved availably in the type-I / type-II / type-I quadrature scheme with CLBO crystals .

本文以ICF激光驱动装置的打靶需求，即靶辐照的均匀性为背景，对高强度宽频带三倍频进行了研究，研究的方法和结果对利用宽带激光打靶ICF实验有熏要的参考价值。

This paper starts from the background of the requirement of ICF targeting , namely the uniformity radiation to the target . It mainly contains the research of broadband laser frequency tripling , and will give directions to ICF laser targeting experiment .

最后在石英玻璃基底上镀制了激光三倍频增透膜，该薄膜在355nm处透射率为99.58%，满足了实际应用的需要。

Laser frequency tripling antireflective film was made on silex glass substrate . The reflectance of film at 355 run is about 99.58 % .

研究和设计了探测大气CO2浓度的Raman激光雷达，其发射机采用Nd：YAG激光的三倍频354.7nm作为工作波长，发射的单脉冲能量60mJ，重复频率20Hz；

The design and experiment of a Raman lidar system for measurement of atmospheric CO2 are presented . 354.7 nm third harmonic of Nd : YAG laser is transmitted with 60 mJ pulse energy and repetition rate of 20 Hz .