A compact high power ultrashort femtosecond fiber laser for high resolution secon

描述（由申请人提供）：用于高分辨率二次谐波OCT的紧凑型高功率超短飞秒光纤激光器SBIR第一阶段项目提出了一种新型的全光纤和超紧凑型高功率锁模光纤激光器系统，该系统使用我们的偏振整形和脉冲整形专有技术。提出的想法是一个使能技术的光学SH-OCT与其超短fs脉冲。PolarOnyx提出的系统采用各种类型的光子晶体光纤来操纵色散、SPM、XPM和波长相关偏振。光子晶体光纤用于在宽波长范围内提供反常色散和色散补偿。它没有移动部件，需要更少的空间。成本和尺寸将比其他竞争方法便宜至少十倍。该设计结构简单，操作方便。在第一阶段时间框架内，将建立一个原型，以展示锁模和高功率放大的飞秒脉冲的功能。第二阶段将对产品进行微调，以实现< 100 fs pulse width and >1 W（平均功率）光纤激光器，并对批量生产进行调查。申请生物医学成像和生物工程研究所（NIBIB）生物成像研究主题B所提出的紧凑型高功率飞秒光纤激光器为将飞秒激光技术应用于真实的临床提供了突破。虽然二次谐波OCT（SH-OCT）是我们在获得高分辨率图像方面的第一个应用，但它将对其他生物医学应用产生重大影响。

DESCRIPTION (provided by applicant): A compact high power ultrashort femtosecond fiber laser for high resolution second harmonic OCT This SBIR phase I project proposes a novel all-fiber and ultra compact high power mode locked fiber laser system by using our proprietary technologies on polarization shaping and pulse shaping. The proposed idea is an enabling technology for optical SH-OCT with its ultrashort fs pulses. The system proposed by PolarOnyx employs various types of photonics crystal fibers to manipulate the dispersion, SPM, XPM, and wavelength dependent polarization. Photonics crystal fiber is used in providing anomalous dispersion and dispersion compensation over a wide range of wavelength. It has no moving parts and requires less space. The cost and size will be at least ten times cheaper than other competing approaches. The design is simple in construction and easy to operate. In Phase I time frame, a prototype will be built up to demonstrate the functions of mode locking and high power amplification for fs pulses. Fine tuning of the product to achieve < 100 fs pulse width and > 1 W (average power) fiber laser will be given in Phase II with an investigation of volume production. APPLYING FOR NATIONAL INSTITUTE OF BIOMEDICAL IMAGING AND BIOENGINEERING (NIBIB) BIOIMAGING RESEARCH TOPIC B The proposed compact high power femtosecond fiber laser provide a breakthrough in applying femtosecond laser technology into real clinic. Though second harmonic OCT (SH-OCT) is our first application in obtaining high resolution image, it will have significant impact to other biomedical applications.