搜索结果: 1-15 共查到“激光及激光器技术 Lasers”相关记录64条 . 查询时间(0.096 秒)
Cornell engineers have created a deep-ultraviolet laser using semiconductor materials that show great promise for improving the use of ultraviolet light for sterilizing medical tools, purifying water,...
In science fiction, firing powerful lasers looks easy -- the Death Star can just send destructive power hurtling through space as a tight beam. But in reality, once a powerful laser has been fired, ca...
Trihydrogen, or H3+, has been called the molecule that made the universe, where it plays a greater role in astrochemistry than any other molecule. While H3+ is astronomically abundant, no scientist un...
2017SPIE高强度高功率激光器技术与应用会议（2017 Technology and Applications of Intense,High Average Power Lasers Workshop）
2017 SPIE 高强度高功率激光器技术与应用 会议
2017/4/25
2017SPIE高强度高功率激光器技术与应用会议（2017 Technology and Applications of Intense,High Average Power Lasers Workshop）。
第五届光学，光子和激光技术国际会议（5th International Conference on Optics,Photonics and Lasers Technology）
第五届 光学，光子和激光技术 国际会议
2017/1/12
Optics has a long and distinct tradition among physical sciences. Ever-present throughout human history, optical systems and phenomena have been subject of interest in all cultures and epochs, from th...
Letting go with lasers
Letting go lasers
2015/7/1
Small objects tend to cling to everything. It's why parents dread hosting parties that involve confetti. It's why glitter is fun for crafts--until it finds its way onto everything else you touch.When ...
Highly Tm-doped silicate glasses and fibers were developed, which exhibit a high slope efficiency of 68.3% and a gain per unit length of greater than 2dB/cm. Single frequency fiber lasers with laser l...
Amplitude Regeneration of Phase Encoded Signals Using Injection Locking in Semiconductor Lasers
Lasers and laser optics Lasers injection-locked
2011/5/25
A phase preserving limiter based on injection locking in semiconductor lasers is experimentally investigated for 10Gb/s phase encoded signals. The proposed scheme exhibits significant amplitude noise ...
Single-mode 1.52 μm InAs/InP quantum dot DFB lasers
Quantum devices Lasers distributed-feedback
2011/5/25
Single-mode InAs/InP quantum dot DFB lasers with side-mode suppression ratio greater than 62 dB are demonstrated, operating CW up to 80°C. Relative intensity noise was less than -153 dB/Hz from 1 MHz ...
High-Speed Potential of Field-Induced Charge-Separation Lasers for Short-link Applications
Vertical cavity surface emitting lasers Laser theory Modulation
2011/5/25
Novel three-terminal FICSLs in VCSEL form were designed and fabricated for direct gain modulation, which by analysis introduces an additional zero to the modulation transfer function and promises modu...
40-Gbps Transmission Using Direct Modulation of 1.3-μm AlGaInAs MQW Distributed-Reflector Lasers up to 70oC
Semiconductor lasers
2011/5/25
40-Gbps transmission over 5-km single-mode fiber using a directly modulated 1.3-μm AlGaInAs MQW distributed-reflector laser was demonstrated. Error-free operations up to 70oC have been achieved.
We describe the performance of 1.3-μm InGaAlAs RWG-MQW-DFB lasers and EA-DFB lasers applicable to 40G/100G Ethernet. We obtained a 3-dB-down bandwidth frequency of over 30 GHz and clear eye opening at...
Tunable Slotted Fabry-Pérot Lasers for Agile Optical Networks
Tunable Lasers Fiber Optic Communications Switching, packet
2011/5/21
We present work carried out to examine the characteristics and transmission performance of a three section tunable slotted Fabry-Pérot laser. The low cost laser exhibits many attractive properties inc...
Passive Mode-Locker Incorporating Physically Exfoliated Graphene for Fiber Ring Lasers
Mode-locked laser Nanomaterials Lasers fiber
2011/5/21
A passively mode-locked fiber laser is realized using an intracavity intensity-modulating effect in multilayered graphene efficiently prepared by taping method. 10.6-MHz pulse trains with 40-dB extinc...
Oxide-Relief Vertical-Cavity Surface-Emitting Lasers with Extremely High Data-Rate/Power-Dissipation Ratios
Oxide-Relief Vertical-Cavity Surface-Emitting Lasers Extremely High Data-Rate/Power-Dissipation Ratios
2011/5/21
By using oxide-relief technique, a high modulation-efficiency (9.8GHz/mA 1/2 ) and a high modulation-speed (34 Gbps) with a record-high data-rate/power-dissipation ratios (2.9 (9.2) Gbps/mW at 34 (12....