A simulation method for visible and near infrared (VNIR) image is mentioned. The VNIR image obtained by low-level flight is adopted as data resource. After atmospheric correction, the ground reflectivity can be deducted. The simul

We study ⁸⁷Rb Bose-Einstein condensation (BEC) loading into the pulse of the one-dimensional (1D) optical lattice experimentally. The lattice is turned on abruptly, held constant for a variable time, and then turned off

We report the experimental achievement of ⁸⁷Rb Bose-Einstein condensation in a magnetic trap with microwave and radio frequency (RF) induced evaporation. Evaporative cooling is realized by using 6.8 GHz microwave radiat

The influence of thermal effect on the energy conversion efficiency of concentrating photovoltaic system for multi-junction GaInP/GaAs/Ge thin-film solar cell is analyzed experimentally. With the increment of operation temperature

A novel drug carrier based on SiO2-coated silver nanoparticle aggregates and antitumor drug is successfully synthesized. The surface-enhanced Raman scattering (SERS) spectra of the antitumor drug in living cells are obtained. By u

Compared with the traditional image intensifier with phosphor screen readout, the photon-counting imaging detector with charge induction readout is more beneficial in several aspects (e.g., good imaging properties and time resolut

Gain saturation is a significant phenomenon of fiber Raman amplifiers (FRAs). Gain figures versus signal power are well explained. For the small signal, the coupled ordinary differential equations are used, and for the large signa

We propose a wavelength conversion scheme for chaotic optical communications (COC) based on a Fabry-Perot (FP) laser diode. The FP laser, as a wavelength converter, is injection-locked at one of longitudinal modes by an external c

A contention resolution scheme, P-cycle auto-switching (PCAS), is proposed in wavelength-switched optical networks (WSONs) based on generalized multi-protocol label switching (GMPLS) to solve backward blocking. This system permits

A cost-effective method of multi-receiver optical orthogonal frequency-division multiplexing (OOFDM) system is proposed to reduce the requirement for the speed of the receiver and the size of fast Fourier transform (FFT). The samp

A new image coding approach is proposed by controlling the quantization step via minimizing the perceptual distortions (in terms of image’s contrast measurement). The proposed method is a rate-oriented contrast-based approach, whi

A new multispectral image fusion method based on intensity-hue-saturation (IHS) transform and three-channel non-separable wavelets whose dilation matrix is [2,1;–1,1] is proposed. The multi-resolution decompositions of the intensi

A novel radiometric compensation algorithm is proposed to correct the color distortions of the projection display on patterned surface. Two choices of the objective image are investigated in this algorithm. A linear compression fo

A novel fiber optic Fabry-Perot (F-P) current sensor is developed based on magnetic fluid as the medium in F-P interference cavity. A signal demodulation method based on slanted fiber Bragg grating (FBG) wavelength measurement sys

The liquid crystal thermography is a high-resolution and non-intrusive optical technique for full-field temperature measurement. We present detailed calibration data for a wide-bandwidth thermochromic liquid crystal (TLC) to inves

A novel method to measure the effective cavity length of distributed Bragg reflector (DBR) fiber laser with fiber Bragg grating (FBG) Fabry-Perot cavity as the resonator is proposed. The effective cavity length of DBR fiber laser

A high power optically-pumped vertical-external-cavity surface-emitting laser with a diamond heatspreader is demonstrated. Owing to the good thermal conductivity, diamond can accelerate the dissipation of heat in the active region

A high power all-fiber laser is experimentally studied. A monolithic fiber laser system with only one stage of resonator cavity is constructed and 404-W continuous wave (CW) output power is obtained. Its opticalto-optical conversi

An automated damage diagnostic system for collecting plasma flash is developed to diagnose damage in a laser-induced damage threshold (LIDT) test system. Experiment is done to verify the accuracy of this system and analyze the rel

A high energy pulsed terahertz (THz) laser is studied experimentally. The laser cavity simply consists of a quartz glass waveguide, a coated GaAs input window, and a crystal quartz output window. NH₃ is filled in the ca

The growth of a Mn-doped LiAlO₂ single crystal by the Czochralski (CZ) method and the characterization of its spectroscopy and thermoluminescence (TL) are presented. The X-ray rocking curve and chemical etching analysis

Using the optical coherence tomography (OCT) images, the optical attenuation coefficients (\mu t) of human Laogong acupoint and non-acupoint tissues are measured after empty irradiation and 808-nm 100-mW irradiation for 10 min in

A problem in terms of the accuracy of noninvasive measurement of blood glucose with near-infrared (NIR) spectroscopy is mainly caused by the weak glucose signal and strong background variations. We report the existence of the radi

Cr ion implantations in glass with the different doses of D=1.493×10¹⁷ and 4.976×10¹⁷ ion/cm² are obtained by metal vapor vacuum arc (MEVVA). The effects of the different Cr ion implanted doses on

We analyze the random disturbance in the transmission of light through a spinning Glan-Thompsontype prism polarizer. The disturbance makes the dependence of the transmission on the rotation angle significantly deviates from the Ma

We demonstrate a photonic band gap (PBG) from one-dimensional (1D) periodic structures created by a double-layer unit cell with an air layer and an anisotropic nonmagnetic left-handed metamaterial (LHM) layer whose permittivity el

A new organic-inorganic hybrid material, which shows photo-induced reduction of refractive index as well as volume contraction, is prepared using a sol-gel method. This material is coated on a Si substrate by spin-coating to manuf