Femtosecond Ti:Sapphire Laser System
_ BASIC
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The VENTEON | PULSE : ONE BASIC laser system is a compact, low-priced and robust source for ultrashort pulses < 8 fs on a compact footprint of only 260 mm x 600 mm. It is ideally suited for applications such as microscopy, spectroscopy or pump-probe experiments which require a reliable, simple and turn-key femtosecond laser source for ultrashort pulses with moderate average output power. |
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The monolithic design of this system is optimized for a low pump threshold and incorporates a 3 - 4 Watt DPSS pump laser without umbilical cable. The opto-mechanical components are directly mounted onto the solid, (optionally) water-cooled base plate, for which the number of adjustable components is reduced to the minimum. This makes the complete system very robust, portable, easy to set-up and long-term stable.. |
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With the low pump power requirements, the VENTEON | PULSE : ONE BASIC laser system represents the ideal source to bring sub-8 fs pulses to your application even within a limited budget. |
Specifications
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Technical Data
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The molecular structure of the interfacial regions of aqueous electrolytes is poorly understood, despite its crucial importance in many biological, technological, and atmospheric processes. A long-term controversy pertains between the standard picture of an ion-free surface layer and the strongly ion specific behavior indicating in many cases significant propensities of simple inorganic ions for the interface. Here, we present a unified and consistent view of the structure of the air/solution interface of aqueous electrolytes containing monovalent inorganic ions. Molecular dynamics calculations show that in salt solutions and bases the positively charged ions, such as alkali cations, are repelled from the interface, whereas the anions, such as halides or hydroxide, exhibit a varying surface propensity, correlated primarily with the ion polarizability and size. The behavior of acids is different due to a significant propensity of hydronium cations for the air/solution interface. Therefore, both cations and anions exhibit enhanced concentrations at the surface and, consequently, these acids (unlike bases and salts) reduce the surface tension of water. The results of the simulations are supported by surface selective nonlinear vibrational spectroscopy(VSFG), which reveals among other things that the hydronium cations are present at the air/solution interface. The ion specific propensities for the air/solution interface have important implications for a whole range of heterogeneous physical and chemical processes, including atmospheric chemistry of aerosols, corrosion processes, and bubble coalescence.
石油/化工
2008/04/26
企业名称
北京欧兰科技发展有限公司
企业信息已认证
企业类型
信用代码
110108003886158
成立日期
2002-06-14
注册资本
50000
经营范围
技术开发、技术转让、技术咨询、技术服务;计算机技术培训;基础软件服务;应用软件服务;计算机系统服务;数据处理;计算机维修;销售计算机、软件及辅助设备、电子产品、机械设备、通讯设备、五金、交电、化工产品(不含危险化学品及一类易制毒化学品)、文化用品、体育用品、日用品。(企业依法自主选择经营项目,开展经营活动;依法须经批准的项目,经相关部门批准后依批准的内容开展经营活动;不得从事本市产业政策禁止和限制类项目的经营活动。)
北京欧兰科技发展有限公司
公司地址
北京市海淀区上地十街1号辉煌国际中心1号楼1006室
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