美国VIXAR公司795nm，850nm，894nm垂直腔面发射激光器（VCSEL）可以实现但横模单纵模输出，适用于铷原子钟，铯原子钟，频率标准，磁力仪等方向。可靠性好，可选各种封装，包括TO-4，TO-5，PLCC-2，裸片等。可以内置TEC，是原子钟等仪器的优质选择。
Parameter | Symbol | Units | Minimum | Typical | Maximum | Notes |
Maximum DC current (CW) | mA | -- | -- | 2 | To remain single-mode | |
Threshold current | Ith | mA | 0.6 | 0.75 | 0.9 | |
Operating voltage | Vf | Volts | -- | 2.1 | 3 | |
Series resistance (VCSEL) | Rs | Ohms | 150 | 175 | 300 | |
Slope efficiency | SE | mW/mA | -- | 0.12 | -- | |
Optical output power | Lop | mW | 0.06 | 0.1 | 0.17 | In single mode. T=85°C |
Optical output power | Lop | mW | 0.1 | -- | 0.25 | In single mode. T=25°C |
Optical output power | Lop | mW | 0.04 | 0.08 | 0.16 | In single mode. T=95°C |
Reverse breakdown voltage | V | 10 | -- | -- | Ir ≤ 1nA | |
Operating wavelength | λop | nm | 794.5 | 795 | 795.5 | |
Side Mode Suppression Ratio | SMSR | dB | 20 | -- | -- | Unmodulated. |
Spectral line width | Δλ | MHz | -- | -- | 100 | Unmodulated. |
Polarization extinction ratio | PER | dB | 16 | -- | -- | 0.25mA < If < 2mA (Note 4) |
Beam divergence 1/e2 | deg | -- | 15 | -- | Whole angle | |
Beam divergence FWHM | FWHM | deg | -- | 9 | -- | Whole angle |
Wavelength current coefficient | nm/mA | -- | 0.42 | 0.6 | ||
Wavelength temp. coefficient | nm/°C | -- | 0.055 | 0.061 | ||
Rise time | ps | -- | -- | 100 | 20%-80% | |
Fall time | ps | -- | -- | 100 | 20%-80% | |
Modulation bandwidth (-3 dB) | BW | GHz | 4 | -- | -- | |
ESD Survival | V | 1000 | -- | -- | (Notes 3, 5) |
上海昊量光电设备有限公司
仪器网(yiqi.com)--仪器行业网络宣传传媒
热线电话
在线咨询
长按识别二维码查看信息详情