DFB( Distributed Feedback Laser)，即分散式反饋雷射器，其不同之處是內置了布拉格光柵(Bragg Grating)，屬於側面發射的半導體雷射器。目前，DFB雷射器主要以半導體 ... ... <看更多>
「dfb laser」的推薦目錄：
dfb laser 在 應用於三維感測的垂直共振腔面射型雷射陣列 - 儀科中心 的相關結果
然而，若要實現單模的邊射式雷射，就必須使用分佈式回饋布拉格光柵(distributed feedback Bragg grating, DFB)。此製程難度和成本均非常高，較難在~900 nm 波段實現。在此 ... ... <看更多>
dfb laser 在 光通技術發展簡介(4)光主動元件-雷射種類簡介 的相關結果
可作為光纖通訊光源的半導體雷射大致可分為三類:Fabry-Perot(FP)半導體雷射、單頻半導體雷射(DFB 雷射)、垂直共振腔面射型雷射( V C S E L )。 ... <看更多>
dfb laser 在 Distributed feedback lasers - RP Photonics 的相關結果
A distributed-feedback laser (DFB laser) is a laser where the whole resonator consists of a periodic structure in the laser gain medium, which acts as a ... ... <看更多>
dfb laser 在 國立交通大學光電工程研究所碩士論文DFB 光纖雷射之設計與 ... 的相關結果
We also actually fabricate DFB fiber lasers by utilizing the fiber grating exposure system in our lab. Single-mode lasing has been almost achieved with side- ... ... <看更多>
dfb laser 在 DFB-LD (Distributed Feedback Laser Diode) - Anritsu 的相關結果
What Is an DFB-LD (Distributed Feedback Laser Diode)?. Overview. A DFB-LD (including DFB-type semiconductor laser) is a laser that utilizes the Bragg ... ... <看更多>
dfb laser 在 第三章系統相關元件及參數介紹 的相關結果
... 雷射與DFB 雷射介紹. 垂直共振腔面射型雷射(Vertical cavity surface emitting laser；VCSEL) ... 分佈回饋式雷射(Distributed Feedback Laser Diode；DFB LD). ... <看更多>
dfb laser 在 Shop DFB Lasers from the Top Brands 的相關結果
ADVANTAGES OF DFB LASERS: ... The primary advantage of a DFB laser is that one axial resonator mode prevails over the other modes. This yields a relatively narrow ... ... <看更多>
dfb laser 在 專業DFB Lasers and Modules代理商 - 維佳科技股份有限公司 的相關結果
DFB lasers are known for being both single longitude mode and single frequency mode. A DFB laser uses a grating on the chip level structure within the cavity to ... ... <看更多>
dfb laser 在 Pigtailed, Distributed Feedback (DFB) Single-Frequency ... 的相關結果
Pigtailed, Distributed Feedback (DFB) Single-Frequency Lasers with Internal Isolator · 780 nm, 1310 nm, and 1550 nm DFB Laser Diodes · Mode-Hop-Free Output Over ... ... <看更多>
dfb laser 在 專業Low Linewidth Single Frequency DFB Laser代理商 的相關結果
For distributed feedback single-frequency fiber laser. iXblue's single-frequency fiber lasers are based on UV Bragg grating technology applied to active ... ... <看更多>
dfb laser 在 Difference Between DBR and DFB Lasers - Photodigm 的相關結果
A competing architecture exists to produce a single frequency laser diode, known as the distributed feedback, or DFB, laser. DFB lasers and DBR lasers share ... ... <看更多>
dfb laser 在 Distributed Feedback Lasers - an overview - Science Direct 的相關結果
A DFB laser is typically defined as one where the internal grating is actively pumped (is located in a region which provides optical gain) and is uniformly ... ... <看更多>
dfb laser 在 Frequency laser DFB pro - TOPTICA Photonics AG 的相關結果
Distributed feedback (DFB) lasers unite wide tunability and high output power. The frequency-selective element – a Bragg grating – is integrated into the ... ... <看更多>
dfb laser 在 Single Frequency Laser Diodes like DFB Lasers / DBR Lasers ... 的相關結果
DFB Lasers / DBR Lasers / RWS Lasers Single Frequency Laser Diodes have a wavelength-selective grating integrated in the laser chip. Thus they operate on a ... ... <看更多>
dfb laser 在 nanoplus distributed feedback laser diodes 的相關結果
nanoplus sets the standard for DFB laser technology. Since more than 20 years, nanoplus has been the technology leader for ultra-precise distributed ... ... <看更多>
dfb laser 在 25G Distributed Feedback Lasers - MACOM 的相關結果
MACOM's Distributed Feedback (DFB) laser diodes are designed for direct modulation uncooled operation up to 25G. These products utilize patented Etched ... ... <看更多>
dfb laser 在 DFB laser with nonuniform coupling coefficient realized by ... 的相關結果
A technique for the realization of a nonuniform grating coupling coefficient kappa , and its implementation in distributed-feedback (DFB) lasers is ... ... <看更多>
dfb laser 在 Distributed Feedback (DFB) Laser Diodes 的相關結果
Distributed Feedback (DFB) Laser Diodes are single frequency and offer a Narrow Linewidth with good side mode suppression. A Bragg grating is utilized to ... ... <看更多>
dfb laser 在 DFB Single-Frequency Fiber Pigtailed Laser Diodes - Newport ... 的相關結果
Newport's DFB Pigtailed Laser Diodes are Distributed Feedback lasers with integrated optical isolator and single-mode fiber pigtail precisely attached for ... ... <看更多>
dfb laser 在 DFB laser | Distributed Feedback Diodes - Innolume 的相關結果
Distributed feedback lasers – DFB & DBR. Distributed Feedback (DFB) and Distributed Bragg Reflector (DBR) laser diodes are the light sources emitting ... ... <看更多>
dfb laser 在 Samsung 1550 nm Direct Modulation DFB Laser Module 的相關結果
The DL47B3 direct modulation distributed feedback (DFB) laser modules are designed to beused in various OC-48/STM-16 systems applications. ... <看更多>
dfb laser 在 Gain-coupled DFB lasers - OSA Publishing 的相關結果
In conventional DFB semiconductor lasers the distributed feedback of optical waves is provided by the periodic perturbation of the waveguide index along the ... ... <看更多>
dfb laser 在 DFB Laser Diode – Nanoimprint Solution｜SCIVAX 的相關結果
DFB LaserWhat is a DFB Laser?There are three primary types of optical semiconductor resonant cavity devices, Fabry-Perot (FP), Distributed Bragg Reflector ... ... <看更多>
dfb laser 在 DFB Lasers for Wireless Applications | EMCORE 的相關結果
1764 1550 nm C-Band DWDM DFB Laser Module, Wireless Application. The 1764 laser module is a Dense Wavelength Division Multiplexing (DWDM) laser for analog ... ... <看更多>
dfb laser 在 Structure of a membrane DFB laser with surface corrugation ... 的相關結果
order to reduce the threshold current, membrane DFB lasers with surface corrugation grating (see Fig. 7) were fab- ricated by controlling the amount of InP ... ... <看更多>
dfb laser 在 DFB lasers for gas sensing | Products / Tech Info (Photonics ... 的相關結果
DFB lasers for gas sensing of NTT Electronics. ... Near-IR gas analysis; Tunable diode laser absorption spectroscopy (TDLAS); Fiber optic sensors ... ... <看更多>
dfb laser 在 PICWave - DFB Laser Diode model - Photon Design 的相關結果
Quarter-wavelength shifted DFB laser + modulator. Simulation with PICWave software. PICWave can model semiconductor lasers and their interaction with a photonic ... ... <看更多>
dfb laser 在 Narrow linewidth semiconductor DFB laser with linear ... 的相關結果
Monolithic distributed feedback semiconductor lasers (1550 nm) for FMCW LiDAR applications have been designed, fabricated and tested. ... <看更多>
dfb laser 在 1310nm Coax DFB Laser, Return Path, 1-4 mW, more than 2 ... 的相關結果
Buy PLMR3, 1310nm Coax DFB Laser, Return Path, 1-4 mW, more than 2 GHz or other Fibre optic transmitters products from Acal BFi BE. ... <看更多>
dfb laser 在 Laser Narrow Linewidth DFB | neophotonics 的相關結果
Narrow Linewidth DFB Laser provide low-noise, single mode 1550nm laser source for cost effective telecom and sensing application. ... <看更多>
dfb laser 在 Best 1 Definitions of Dfb-laser - YourDictionary 的相關結果
What does dfb-laser mean? A diode laser that operates at high output power levels over very short cycle times, and emits a signal at long waveleng... ... <看更多>
dfb laser 在 Optical DFB Laser - APEX Technologies 的相關結果
Optical DFB Laser Plug-in modules. Key Features: – Selected wavelength according to ITU-T Grid, C-band, L-band and O-band available. ... <看更多>
dfb laser 在 DFB laser | fast & easy fabricated_Raith China 的相關結果
DFB laser devices for fiber optic communication: Prototyping and manufacturing ... Demand for semiconductor laser sources is increasing in step with expanding ... ... <看更多>
dfb laser 在 Single frequency DFB fiber lasers - NKT Photonics 的相關結果
It is based on a Distributed Feedback (DFB) fiber laser design consisting of active fiber, a Bragg grating, and a semiconductor pump diode. ... <看更多>
dfb laser 在 10 Gbps DFB Laser Diode Chip | II-VI Incorporated 的相關結果
10 Gbps DFB Laser Diode Chip. DFB15. Product Details; Datasheet and Documents; Product Inquiry. Features. Designed for 10 Gbps; Operating temperature -40 °C ... ... <看更多>
dfb laser 在 DFB » Distributed Feedback Laser » Laser Diodes » Home 的相關結果
Distributed Bragg Reflector (DBR): Distributed Bragg Reflector (DBR) Diode Lasers are tunable single mode diode lasers. Typical geometrical sizes of the laser ... ... <看更多>
dfb laser 在 DWDM CW DFB Laser Module 的相關結果
A strained multi-quantum well DFB laser diode chip is integrated with optical isolator, thermo-electric cooler (TEC), thermistor and power monitor photodiode in ... ... <看更多>
dfb laser 在 DFB laser using travelling wave laser model (TWLM) 的相關結果
This application example will simulate a quarter-wave-shifted index-coupled distributed feedback (DFB) laser and compare results to the... ... <看更多>
dfb laser 在 High-Performance and Low-Cost 10Gbps Coaxial DFB Laser ... 的相關結果
Abstract. The high-performance and low-cost 10Gbps coaxial DFB laser module packaging by conventional TO-Can materials and processes are developed and ... ... <看更多>
dfb laser 在 DFB雷射二極體磊晶片(1270nm-1570nm) DFB LD epi wafer 的相關結果
首頁> 產品資訊> 光電子產品> DFB雷射二極體磊晶片(1270nm-1570nm) DFB LD epi wafer. DFB雷射二極體磊晶片(1270nm-1570nm) DFB LD epi wafer ... ... <看更多>
dfb laser 在 Distributed Feedback Lasers(DFBs) - Inphenix 的相關結果
Distributed Feedback Laser (DFB Laser) is an edge-emitting semiconductor light source. Compared to FP Lasers and DBR Lasers, DFB Lasers are much more stable ... ... <看更多>
dfb laser 在 High-speed Tunable Distributed Amplification Distributed ... 的相關結果
As a result, a tunable distributed feedback (DFB) laser array with ... Consequently, the continuous tuning wavelength range for TDA-DFB lasers with an ... ... <看更多>
dfb laser 在 Single frequency DFB laser diodes - QPhotonics 的相關結果
Peak; Wavelength; (nm) Part; Number Typical; Power Laser Type Package Spectral...
759‑764 QDMLD‑760‑5 4mW DM Butterfly 3MHz
1000‑1100 QDFBLD‑1060‑50 50mW DFB Butterfly 3MHz
1028‑1032 QDFBLD‑1030‑50 50mW DFB Butterfly 3MHz ... <看更多>
dfb laser 在 Advanced distributed feedback lasers based on composite ... 的相關結果
A DFB fiber laser cavity is formed by a single π-phase-shifted fiber Bragg grating (FBG) inscribed directly in an active fiber. Such integrated ... ... <看更多>
dfb laser 在 DFB Laser 1550 nm to 1553 nm Up to 40 mW PM Output DM ... 的相關結果
The Optilab DFB-1550H-PM is a single frequency laser coupled with Polarization Maintaining fiber. Built with Distributed Feed-Back Grating (DFB) as cavity ... ... <看更多>
dfb laser 在 Stabilization and frequency control of a DFB laser with ... - arXiv 的相關結果
Abstract —!We investigate the effect of tunable optical feedback on a commercial DFB laser edge coupled to a Silicon Photonics. ... <看更多>
dfb laser 在 distributed feedback laser - Glossary of nanotechnology and ... 的相關結果
DFB lasers are characterised by temperature stability of the oscillation frequency, which is uniquely determined by the optical lattice period. The temperature ... ... <看更多>
dfb laser 在 difference of fabry perot laser,distributed feedback laser - RF ... 的相關結果
➨Distributed feedback laser selects only one principal wavelength in FP laser spectrum. Hence it provides narrow spectral width of less than 0.1 nm. ➨DFB ... ... <看更多>
dfb laser 在 DFB激光器_百度百科 的相關結果
DFB( Distributed Feedback Laser)激光器，即分布式反馈激光器，其不同之处是内置了布拉格光栅（Bragg Grating），属于侧面发射的半导体激光器。DFB激光器主要以半导体 ... ... <看更多>
dfb laser 在 3.3.4 Distributed Feedback (DFB) Lasers - Understanding ... 的相關結果
Distributed FeedBack (DFB) lasers are one answer to this problem. The idea is that you put a Bragg grating into the laser cavity of an index-guided FP laser. ... <看更多>
dfb laser 在 Isolated DFB Lasers, 1310 & 1550 - Ushio America, Inc. 的相關結果
We offer the PD-LD DFB Series of coaxial style laser diodes with integral single stage optical isolators. The addition of these isolators ensures a minimum ... ... <看更多>
dfb laser 在 Tunable Distributed Amplification DFB (TDA DFB) laser 的相關結果
Tunable Distributed Amplification DFB (TDA DFB) laser. Description. Wavelength-tunable lasers are key devices in WDM systems. They can be integrated, ... ... <看更多>
dfb laser 在 Fiber Optic Sensing and Gas Sensing Lasers - Applied ... 的相關結果
Applied Optoelectronics, Inc. (AAOI) offers distributed feedback (DFB) laser modules for distributed acoustic sensing, distributed temperature sensing and ... ... <看更多>
dfb laser 在 1650nm MQW-DFB Laser Diode Receptacle TOSA | SFP 的相關結果
The 1650nm MQW DFB uncooled laser diode are designed for coupling a single mode optical fiber. These modules are ideally suitable for long reach and ... ... <看更多>
dfb laser 在 DFB Laser.pdf 的相關結果
laser. Free-Space Bragg Reflection. Waveguide Bragg Reflection ... The oscillation condition for the DFB laser corresponds to the case for. ... <看更多>
dfb laser 在 DFB Lasers for Gas Sensing and Spectroscopy - Norcada 的相關結果
Norcada designs and manufactures near-IR and mid-IR single mode semiconductor distributed feedback (DFB) lasers for industrial sensing, ... ... <看更多>
dfb laser 在 Semiconductor lasers / Epitaxial Wafers | QD Laser 的相關結果
Precision Machining. 1020-1180 nm DFB laser. 1030-1180nm DFBレーザ製品イメージ写真. · Wide wavelength lineup: ... ... <看更多>
dfb laser 在 Agilent Distributed Feedback (DFB) Lasers - Keysight 的相關結果
Optical Component Test. Agilent 81662A/81663A DFB Lasers. DFB Laser Modules for High Channel. Count DWDM System Test. Agilent's DFB laser modules, availa-. ... <看更多>
dfb laser 在 DFB Laser, 1310 nm, up to 150 mW, PM Output DM Capable 的相關結果
The Optilab DFB-1310H-PM is a single frequency laser coupled with Polarization Maintaining fiber. Built with Distributed Feed-Back Grating (DFB) as cavity ... ... <看更多>
dfb laser 在 Fiber Optic Fabry-Perot & DFB Laser Diodes: 1310, 1550 ... 的相關結果
PD-LD Inc. offers a variety of standard Fabry-Perot and Distributed FeedBack (DFB) 1310, 1550 & 1625 nm laser diodes, in ready-to-use, fiber-coupled ... ... <看更多>
dfb laser 在 DFB Laser Drivers - Cybel, LLC 的相關結果
QDLaser offers ns and ps Laser Driver boards for their DFB Laser diodes. The driver board can be used in CW mode or in a Pulsed mode. ... <看更多>
dfb laser 在 25G Edge-Emitting DFB Laser Diode Chip, DFB LD Chips 的相關結果
GLsun designs edge-emitting DFB laser diode chips at 1310nm directly modulated 25 Gbs single mode with Ridge Wave Guide structure (RWG) on n-type InP ... ... <看更多>
dfb laser 在 Chapter 13 Distributed Feedback (DFB) Structures and ... 的相關結果
Distributed Feedback (DFB). Structures and Semiconductor DFB. Lasers. 13.1 Distributed Feedback (DFB) Gratings in Waveguides. 13.1.1 Introduction:. ... <看更多>
dfb laser 在 10 Gb/s 1310nm DFB Laser Diode - LC TOSA - EPSGlobal 的相關結果
The DFB-1310-10LR-LCA is specifically designed for applications based on several optical communications standards, including IEEE 10GBASE-LR, STM64, ... ... <看更多>
dfb laser 在 DFB laser action in a flexible fully plastic multilayer - RSC ... 的相關結果
An all-plastic distributed-feedback flexible multilayer laser (FML), able to keep its lasing characteristics even upon strong bending from planarity, ... ... <看更多>
dfb laser 在 Mitsubishi Electric Develops DFB Laser Diode for 25Gbps ... 的相關結果
Four DFB laser diodes can be mounted on 100Gbps high-speed communication transceivers for optical fiber communication to achieve lower power ... ... <看更多>
dfb laser 在 Temperature Effect towards DFB Laser Wavelength on ... 的相關結果
DFB laser temperature is controlled by laser driver and varying the setting temperature value (Tset) between 30 and 47 o C at a fixed injection ... ... <看更多>
dfb laser 在 THz Signal Generator Using a Single DFB Laser Diode ... - NCBI 的相關結果
In [7,8,9], the authors proposed a linear wavelength sweep method based on the waveform modeling of a DFB laser diode's driving current pulse, ... ... <看更多>
dfb laser 在 Modelling and Characterization of a Distributed Feedback ... 的相關結果
Distributed Feedback (DFB) Laser Diode. José Boavida, Member, IEEE. Abstract—The aim of this work is the study of semiconductor. ... <看更多>
dfb laser 在 DFB laser module 的相關結果
A 1550-nm distributed-feedback (DFB) laser module is available with 15-mW output power. Applications include high-speed SONET and CATV transmission up to 10 ... ... <看更多>
dfb laser 在 光鏈路基本原件(光源) @ A concept of ROF - 隨意窩 的相關結果
半導體雷射以其輸出光譜可區分為單模(single-mode)雷射如DFB-LD(distributed feedback laser diode)，以及多模(multimode)雷射如FP-LD(fabry-perot laser diode)；下圖 ... ... <看更多>
dfb laser 在 The Difference Between FP And DFB Laser - ETU-Link 的相關結果
Recently some colleagues reflected that many customers want to learn what FP and DFB lasers are and their differences. In order to make them easy to explain ... ... <看更多>
dfb laser 在 How does a DFB (Distributed Feedback Laser) laser diode ... 的相關結果
How DFB(Distributed Feedback Laser )laser diode works? today i was studying DFB laser,i know in it's active region there is Diffraction ... ... <看更多>
dfb laser 在 How Does a 10-Gbps DFB Laser Transmitter Work? (Video) 的相關結果
The optical coupling between the DFB laser and the modulator is based on the butt-joint method. This laser has a laser region length of 350um, ... ... <看更多>
dfb laser 在 Distributed Feedback (DFB) Lasers | Light Reading 的相關結果
The aim of a distributed feedback (DFB) laser is to sharpen up the output of regular Fabry-Perot lasers. From standard Fabry-Perot lasers you get not just ... ... <看更多>
dfb laser 在 1310/1490/1550nm DFB-LD for Fiber-Optic Communications 的相關結果
filter_list All types‑ Datasheet Format File Size Date
NX8346TB Datasheet Datasheet PDF 776 KB Dec 13, 2013
NX8349TS Datasheet Datasheet PDF 817 KB Dec 13, 2013
NX8349YK Datasheet Datasheet PDF 816 KB Dec 13, 2013 ... <看更多>
dfb laser 在 Mitsubishi Electric Develops DFB Laser Diode for 100Gbps ... 的相關結果
Four DFB laser diodes can be mounted on 100Gbps high-speed communication transceivers for optical fibre communication to achieve lower power ... ... <看更多>
dfb laser 在 Single-frequency distributed feedback fiber lasers (DFB lasers) 的相關結果
Fiber lasers with the distributed feedback (DF) offer unique properties. Distributed Feedback laser is a laser where the whole resonator ... ... <看更多>
dfb laser 在 1550 nm DFB Laser Diode, PM Output, up to 30 mW - LD-PD ... 的相關結果
The PD-LD'S PL-DFB-1550-C-A81-PA-14-BF is a Distributed FeedBack Laser designed for Continuous Wave (C.W) operation. It is mostly utilized in combination ... ... <看更多>
dfb laser 在 Sense。Light - SensLite Corporation 的相關結果
1310nm 1.25/2.5Gbps DFB Laser TO Package 7.5mm FD. APPLICATIONS. The 1310nm DFB laser is designed for high speed, high performance data communication and ... ... <看更多>
dfb laser 在 DFB Laser - ADFB-1550-40 - FindLight 的相關結果
Amonics' stabilized DFB lasers are high output power, narrow... Wavelength:1550 nm, Output Power:0.040 W, Beam Quality (M^2):-. Shop Now. ... <看更多>
dfb laser 在 Do you know the transceiver laser types? | Optcore.net 的相關結果
DFB laser is a distributed feedback laser. The difference lies in the built-in Bragg grating, which is a side-emitting semiconductor laser. At ... ... <看更多>
dfb laser 在 Distributed Intrusion Sensor Using DFB Laser with Optical ... 的相關結果
Characteristics of a distributed intrusion sensor using a coherent DFB laser diode with an external optical feedback and saturable absorber were ... ... <看更多>
dfb laser 在 Room Temperature O-band DFB Laser Array Directly Grown ... 的相關結果
Distributed feedback lasers were defined by etching a first order grating in the top surface of the device. Clear laser operation at a ... ... <看更多>
dfb laser 在 2-μm single longitudinal mode GaSb-based laterally coupled ... 的相關結果
Although the re-growth technique is common and mature in InP-based DFB lasers, it is particularly difficult in the case of GaSb-based laser due to the oxidation ... ... <看更多>
dfb laser 在 DFB雷射器:工藝結構,套用原理,套用案例,廠商現狀,發展 的相關結果
DFB(Di...DFB( Distributed Feedback Laser)雷射器，即分散式反饋雷射器，其不同之處是內置了布拉格光柵（Bragg Grating），屬於側面發射的半導體雷射器。目前，DFB . ... <看更多>
dfb laser 在 History of Distributed Feedback Laser | Semantic Scholar 的相關結果
A distributed feedback laser (DFB-LD) is indispensable as a light source for high-bit rate and long-haul optical communications systems and ... ... <看更多>
dfb laser 在 DBR/DFB Laser - Hanel Photonics, Laser Diode Market 的相關結果
Distributed Feedback Laser (DFB), Distributed Bragg Reflector (DBR) ... <看更多>
dfb laser 在 1550nm 1590nm DFB Butterfly Laser Diodes 14-Pin SM Fiber ... 的相關結果
1550nm 1590nm DFB Butterfly Laser Diodes 14-Pin SM Fiber or PM Fiber. [Features] 1. Power and spectral stability 2. Special line width ... <看更多>
dfb laser 在 DFB Laser - BeamQ 的相關結果
High Power Burning Laser Pointers,DPSS Laser Diode LD Modules : DFB Laser - High Power Laser Laser Beam Modules Laser Diodes Optical DPSS Laser Solid Laser ... ... <看更多>
dfb laser 在 The difference between FP laser and DFB laser - Box ... 的相關結果
4) Output optical power: The optical power emitted by the laser output port. The DFB laser uses a grating optics device based on the FP laser to ... ... <看更多>
dfb laser 在 Frankfurt Laser Company 的相關結果
Frankfurt Laser Company (FLC) is a world leading supplier of FP, DFB and DBR laser diodes, SM individually addressable and broad area laser diode arrays, ... ... <看更多>
dfb laser 在 Distributed feedback laser - Wikipedia 的相關結果
A distributed feedback laser (DFB) is a type of laser diode, quantum cascade laser or optical fiber laser where the active region of the device contains a ... ... <看更多>