原子鐘專用VCSEL激光器(795nm, 850nm, 894nm)
【簡單介紹】
【詳細說明】
原子鐘專用激光器(795nm, 850nm, 894nm)
高精度,高可靠性原子鐘用795nm,850nm,894nm垂直腔面發射激光器(VCSEL激光器)!
關鍵詞:原子鐘,atomic clock,VCSEL,795nm VCSEL,850nm,VCSEL,894nm VCSEL 垂直腔面發射激光器,原子鐘用垂直腔面激光器,銣原子鐘,銫原子鐘,磁力儀,頻率標準
美國VIXAR公司795nm,850nm,894nm垂直腔面發射激光器(VCSEL)可以實現但橫模輸出,適用于銣原子鐘,銫原子鐘,頻率標準,磁力儀等方向。可靠性好,可選各種封裝,包括TO-4,TO-5,PLCC-2,裸片等。可以內置TEC,是原子鐘等儀器的優質選擇。
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=""> |
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) |
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