KB系列-高功率超低噪声单频光纤激光器是台式窄线宽单模、单频DFB光纤激光器，具有极高的频率稳定性、低相位和低强度噪声。超低噪声、窄线宽与高输出功率相结合使KB系列-高功率窄线宽光纤激光器成为可广泛应用的万能激光器。
该系列激光器的典型应用范围包括：
* 量子光学
* 光学陷俘
* 光学晶格
* 玻色-爱因斯坦凝聚(BEC)
* 原子干涉仪
* 非线性光学泵浦源(SHG, DFG, OPO)
* 激光计量学(精密激光干涉测量技术，光谱学)
* 光外差作用和相干通信
* 相干合成
* 光学长度和频率标准
* 激光雷达
特点：
* 稳定的单频和单模工作
* 前所未有的低相位和低强度噪声
* 在1.0µm达到15W连续输出功率
* 在1.55µm达到10W连续输出功率
* 无突发噪声和跳模
* 波长可以选择
* 有效的kHZ频率调制
* 保偏输出可选
* 数字控制接口
* 全光纤免维护系统
* 结实的高可靠性工业设计
技术指标
KB系列-高功率窄线宽激光器 | E15 | C15 | Y10 |
Center wavelength [nm] 1 | 1535-1575, optionally other | 1535-1575, optionally other | 1050-1090 |
Laser emission | CW - inherently single frequency | CW - inherently single frequency | CW - inherently single frequency |
Beam quality | M² < 1.3 | M² < 1.3 | M² < 1.3 |
Output power [W] 2 | 2, 5 or 10W | 2, 5 or 10W | 2, 5, 10 or 15W |
Output power regulation [%] | 30-100 | 30-100 | 30-100 |
Linewidth (120 μsec) [kHz] | < 1 | < 50 (optionally <10) | < 70 (optionally <10) |
Linewidth (Lorentzian) [kHz] | < 0.1 | - | - |
Phase-noise [μrad/√Hz] 1m opt. path | <2@100Hz, 0.8@1kHz, 0.4@10kHz | <32@100Hz, 8@1kHz, 4@10kHz | NA |
RIN peak [MHz] | app. 0.3 | app. 0.9 | app. 1.5 |
RIN level [dBc/Hz] | <-100 @ peak/<-135 @ 10MHz | <-120 @ peak/<-140 @ 3MHz 3 | <-105 @ peak/<-140 @ 10MHz |
Optical S/N [dB] (50 pm res.) | > 50 (depending on wavelength) | > 50 (depending on wavelength) | > 50 (depending on wavelength) |
Polarization | Random (linear with PM option) | Random (linear with PM option) | Random (linear with PM option) |
Thermal tuning | Standard | Standard | Standard |
Thermal tuning range [pm] | 1000 (at room temp.) | 1000 (at room temp.) | 700 (at room temp.) |
Fast Piezo tuning capability 4 | Optional | Optional | Optional |
Piezo-electric tuning range [pm] | > 20 (0-200 V DC) | > 20 (0-200 V DC) | > 15 (0-200 V DC |
Piezo-electric tuning bandwidth [kHz] | up to 20 | up to 20 | up to 20 |
Optical monitor output (from seed) | Incl. (FC/APC) | Incl. (FC/APC) | Incl. (FC/APC) |
Long term stability 5 (RMS, 1h@25°C) [%] | <+/- 2 % | <+/- 2 % | <+/- 2 % |
Output fiber termination (<5W output) | FC/APC or Collimator | FC/APC or Collimator | FC/APC or Collimator |
Output fiber termination (5W and up) | Collimator | Collimator | Collimator |
Typical beam diameter @1/e² | 2W: < 2.4 mm 5, 10W: ~5mm | 2W: < 2.4 mm 5, 10W: ~5mm | 2W: < 2.2 mm 5, 10, 15W: < 1 mm |
1. The center wavelength is selectable within the specified range.
2. Depends on the center wavelength.
3. Shot-noise limited > 5 MHz.
4. External piezo driver required.
5. After warm up (10-20 min)