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TiC型 钛:蓝宝石连续波激光器
产品介绍:
钛蓝宝石连续激光器,具有很宽的可调谐范围(700-1000 nm),在许多基础研究领域是一个非常有效的研究工具,尤其是各种光谱类的应用。
波长调谐通过改变双折射滤光片的位置来实现,可进行手动控制;或利用一个通过USB连接到PC上的步进电机上来实现自动控制。两个标准具可以选择放置在腔内,用来产生窄线宽激光(最低可至2 GHz)。连续钛蓝宝石激光器通常需要一个532 nm CW DPSS激光器或532 nm氩离子激光器来进行泵浦。本公司提供无泵浦激光器的振荡器,也可提供带有集成式泵浦激光器的版本(泵浦功率变化范围2 W ~ 10 W)。也可选择光纤耦合的改良版,激光被耦合进4μm的光纤芯径内。光学系统可以在自由空间输出和光纤耦合输出之间的轻松切换。
产品特点:
宽波长调谐范围:700-1000 nm
平均输出功率> 1.5 W @ 800 nm
光纤耦合输出(可选)
自动调谐波长(PC控制)
标准具,产生窄线宽(<2 GHz)
集成式泵浦激光器可选(泵浦功率变化范围2W~10W)
技术参数:
型号 | TiC |
波长调谐范围, nm | 700-1000* |
平均输出功率, mW | 700* |
平均输出功率(光纤耦合输出), mW | 400* |
光纤类型(可选) | 单模,FC-FC, 1 m, 4 μm纤芯 |
线宽, GHz | < 45 < 20 (1标准具) < 2 (2标准具) |
空间模式 | TEM00 |
发散角, mrad | < 2 |
偏振 | 水平(自由空间输出时) |
* 大小取决于泵浦功率, 表中的数值对应的泵浦功率为5W。 |
用户单位 | 采购时间 |
---|---|
中国科学院物理研究所 | 2014-03-02 |
深圳大学 | 2015-03-20 |
成都中创光科科技有限公司 | 2015-12-27 |
中国科学院上海微系统与信息技术研究所 | 2016-04-20 |
上海理工大学 | 2016-09-29 |
保修期: 1年
是否可延长保修期: 否
现场技术咨询: 无
免费培训: 1
免费仪器保养: 1
保内维修承诺: 1
报修承诺: 1
Avesta TiF-15钛:蓝宝石飞秒激光器
型号:TiF-15 5万Avesta TiF-50型 钛:蓝宝石飞秒激光器
型号:TiF-50 5万Avesta TiF-100型 钛:蓝宝石飞秒激光器
型号:TiF-100 5万Avesta PErL 掺铒飞秒光纤激光器
型号:PErL 6万Van der Waals coupling is emerging as a powerful method to engineer physical properties of atomically thin two-dimensional materials. In coupled graphene–graphene and graphene–boron nitride layers, interesting physical phenomena ranging from Fermi velocity renormalization to Hofstadter’s butterfly pattern have been demonstrated. Atomically thin transition metal dichalcogenides, another family of two-dimensional-layered semiconductors, can show distinct coupling phenomena. Here we demonstrate the evolution of interlayer coupling with twist angles in as-grown molybdenum disulfide bilayers. We find that the indirect bandgap size varies appreciably with the stacking configuration: it shows the largest redshift for AA- and AB-stacked bilayers, and a significantly smaller but constant redshift for all other twist angles.
Spectrally correlated photon pairs can be used to improve the performance of long-range fiber-based quantum communication protocols. We present a source based on spontaneous parametric downconversion, which allows one to control spectral correlations within the entangled photon pair without spectral filtering by changing the pump-pulse duration or the characteristics of the coupled spatial modes. The spectral correlations and polarization entanglement are characterized. We find that the generated photon pairs can feature both positive spectral correlations,decorrelation, or negative correlations at the same time as polarization entanglement with a high fidelity of 0.97 (no background subtraction) with the expected Bell state.
A high-stability and high-efficiency ring Ti:sapphire regenerative amplifier is demonstrated based on a double-gating pulse picker at a repetition rate of 1 kHz. Pulse energy up to 5.7 mJ is obtained using a pump energy of 20.0 mJ at 527 nm, corresponding to a relatively high slope efficiency of 30.3%. After a grating compressor, the laser pulse is compressed to 37.2 fs with an energy of 4.1 mJ. The beam quality factors M2 are 1.4 and 1.3 in tangential and sagittal directions, respectively. The measured root mean square energy stability is better than 0.31% over an 11 h period.
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