Tracy Tsai,Gerard Wysocki
Tracy Tsai
We present an active wavelength control system for grating-based external cavity lasers that increases the accuracy of predicting the lasing wavelength based on the grating equation and significantly improves scan-to-scan wavelength/frequen...
Cross-validation of theoretically quantified fiber continuum generation and absolute pulse measurement by MIIPS for a broadband coherently controlled optical source [0.03%]
理论计算的连续体光纤生成与MIIPS测量的交叉验证以及宽带相干控制光源的绝对脉冲测量
H Tu,Y Liu,J Lægsgaard et al.
H Tu et al.
The predicted spectral phase of a fiber continuum pulsed source rigorously quantified by the scalar generalized nonlinear Schrödinger equation is found to be in excellent agreement with that measured by multiphoton intra-pulse interference...
Effect of multimodal coupling in imaging micro-endoscopic fiber bundle on optical coherence tomography [0.03%]
用于微内镜光纤束的光学相干层析血管成像的多模耦合效应
Jae-Ho Han,Jin U Kang
Jae-Ho Han
The effect of higher order modes in fiber bundle imager-based optical coherence tomography (OCT) has been theoretically modeled using coupled fiber mode analysis ignoring the polarization and core size variation in order to visualize the pu...
Raman effects in the infrared supercontinuum generation in soft-glass PCFs [0.03%]
软玻璃PCF中红外超连续产生的拉曼效应
V L Kalashnikov,E Sorokin,I T Sorokina
V L Kalashnikov
Measurements of the Raman gain spectra in the SF6 and SF57 highly-nonlinear-glasses demonstrated twice as high Raman shift in comparison with the fused silica. Numerical simulation predicted that a large Raman shift in combination with high...
Temperature and current coefficients of lasing wavelength in tunable diode laser spectroscopy [0.03%]
可调二极管激光光谱中激光线宽的温度和电流系数
M Fukuda,T Mishima,N Nakayama et al.
M Fukuda et al.
The factors determining temperature and current coefficients of lasing wavelength are investigated and discussed under monitoring CO(2)-gas absorption spectra. The diffusion rate of Joule heating at the active layer to the surrounding regio...
Investigation of gold-coated bare fiber probe for in situ intra-vitreous coherence domain optical imaging and sensing [0.03%]
基于裸光纤探针的金涂层原位玻璃体内光学断层成像与传感研究
J-H Han,I K Ilev,D-H Kim et al.
J-H Han et al.
We have investigated the usage of gold-plated bare fiber probes for in situ imaging of retinal layers and surrounding ocular tissues using time-domain common-path optical coherence tomography. The fabricated intra-vitreous gold-plated micro...
Optimal strategy for trapping single fluorescent molecules in solution using the ABEL trap [0.03%]
利用ABEL陷阱捕获溶液中单个荧光分子的最佳策略
Q Wang,W E Moerner
Q Wang
Trapping of 10-nm-sized single fluorescent bio-molecules in solution has been achieved using high-speed position sensing and electrokinetic feedback forces in the Anti-Brownian ELectrokinetic (ABEL) trap. The high diffusion coefficient of s...
K(alpha) x-ray emission characterization of 100 Hz, 15 mJ femtosecond laser system with high contrast ratio [0.03%]
高对比度百赫兹飞秒激光装置的K(alpha)特性研究
S Fourmaux,C Serbanescu,R E Kincaid et al.
S Fourmaux et al.
We report K(alpha) x-ray production with a high energy (110 mJ per pulse at 800 nm before compression/15 mJ at 400 nm after compression), high repetition rate (100 Hz), and high pulse contrast (better than 10(-9) at 400 nm) laser system. To...
13CO2/12CO2 isotopic ratio measurements using a difference frequency-based sensor operating at 4.35 micrometers [0.03%]
基于4.35微米差频激光传感器的13CO2/12CO2同位素比率测量
M Erdelyi,D Richter,F K Tittel
M Erdelyi
A portable modular gas sensor for measuring the 13C/12C isotopic ratio in CO2 with a precision of 0.8%(+/-1 sigma) was developed for volcanic gas emission studies. This sensor employed a difference frequency generation (DFG)-based spectrosc...
Chemical sensing with pulsed QC-DFB lasers operating at 15.6 micrometers [0.03%]
基于脉冲QC-DFB激光器的化学传感技术(波长15.6μm)
A A Kosterev,R F Curl,F K Tittel et al.
A A Kosterev et al.
Pulsed thermoelectrically cooled QC-DFB lasers operating at 15.6 micrometers were characterized for spectroscopic gas sensing applications. A new method for wavelength scanning based on repetition rate modulation was developed. A non-wavele...