进口
激光频率标准,其参考频率的基础上,过渡的碘同位素的原子蒸气。这是一个自动的实验室设备的设计,比较和校准的He - Ne ( 632,8 nm波长)激光器。
这是一个高准确度的实验室设备与自动吸收峰,检测和结果展示图形显示。
Frequency Laser Standard, with reference frequencies based on the transition of atomic iodine isotop vapour. It is an automatic laboratory device designed to compare and calibrate He-Ne (632,8 nm wavelength) lasers.
It is a high accuracy laboratory device with automatic absorption peaks detection and results presentation graphic display.
Measurement parameters测量参数 Wavelength 波长 633 nm Frequency stability (10s averaging time) 频率稳定度 <2.5 x 10-12 Repeatability重复性 2.5 x 10-11 Method of stabilization方法稳定 Third harmonic method Accessible 127I2 hyperfine components方便的超精细组件 d,e,f,g,h,i,j,k,l,m,n of the 11-5 R(127) absorption Iodine cell sidearm temperature碘电池温度 15.0 ± Output power输出功率 110 μW Polarization两极化 Linear, vertical-线性,垂直 Plasma tube等离子管 Double Brewster window Continuous frequency lock over 24 hours for ambient temperature Yes 有 Automatic tuning自动调谐 Yes有 Manual tuning手调谐 Yes有 Dimension of controller维控制器 350x250x110 mm Dimension of laser head维激光头 460x180x155 mm AC line voltage交流线电压 220-240 V / 50 Hz
特点:
完全符合国际委员会的度量衡CIPM 97 “Mise en pratique充电英文实用”的建议,为实现'米'计量单位
频率可重复性:2.5 x 10-11
频率稳定度:2.5 x 10-12
紧凑型单位
自动调谐/锁定在在12个不同的碘的超精细组件
小学激光参考标准,为实现这一米
校准参考稳定激光器
Frequency Laser Standard
Features:
Fully compliant with the International Committee of Weights and Measures CIPM 97 "Mise en pratique" recommendations for the realization of the meter
Frequency repeatability: 2.5 x 10-11
Frequency stability: 2.5 x 10-12
Compact construction
Automatic tune/ lock-in at 12 different iodine hyperfine components
Primary laser reference standards for realization of the meter
Calibration reference for stabilized lasers
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