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continuous wave (CW)

Measurement of Snow-Depth Using Frequency Modulated Continuous Wave Radar Sensors

Measurement of Snow-Depth Using Frequency Modulated Continuous Wave Radar Sensors

... Modulated Continuous Wave radar (FMCW radar) is a particular type of radar sensor which radiates continuous transmission power like a simple continuous wave radar ...

5

Reconstructions for Continuous Wave Diffuse Optical Tomography by a Globally Convergent Method

Reconstructions for Continuous Wave Diffuse Optical Tomography by a Globally Convergent Method

... The studies using Near Infrared light (NIR) for biomedical imaging have become quite extensive in the past 15 - 20 years. Earlier applications of NIR imaging started with breast imaging [1-3], since NIR has better ...

10

1.4 µm continuous-wave diamond Raman laser

1.4 µm continuous-wave diamond Raman laser

... The SDL gain structure consists of multiple quantum wells (QWs), spaced for resonant periodic gain with emission vertical to the epitaxial plane [4], and is usually deposited directly on top of a distributed Bragg ...

7

Frequency-tunable continuous-wave random lasers at terahertz frequencies

Frequency-tunable continuous-wave random lasers at terahertz frequencies

... Random lasers are a class of devices in which feedback arises from multiple elastic scattering in a highly disordered structure, providing an almost ideal light source for artefact-free imaging due to achievable low ...

13

Novel concept of detecting basal cell carcinoma in skin tissue using a continuous-wave millimeter-wave rectangular glass filled probe

Novel concept of detecting basal cell carcinoma in skin tissue using a continuous-wave millimeter-wave rectangular glass filled probe

... The suggested system consists of the following three parts: a signal generator–detector (eg, vector network analyser [VNA]), the proposed device itself, called “the probe”, and the sample under test (skin area). The ...

11

Retrieving wind statistics from average spectrum of continuous-wave lidar

Retrieving wind statistics from average spectrum of continuous-wave lidar

... Abstract. The aim of this study is to experimentally demonstrate that the time-average Doppler spectrum of a continuous-wave (cw) lidar is proportional to the probability density function of the ...

11

Continuous-wave highly-efficient low-divergence terahertz wire lasers

Continuous-wave highly-efficient low-divergence terahertz wire lasers

... Terahertz (THz) quantum cascade lasers (QCLs) have undergone rapid development since their demonstration, showing high power, broad-tunability, quantum-limited linewidth, and ultra-broadband gain. Typically, to address ...

8

Development of continuous wave and mode locked titanium sapphire laser

Development of continuous wave and mode locked titanium sapphire laser

... A Ti:sapphire laser was developed based on self mode-locking technique using a “ Z ” folded cavity. Diode pumped solid state laser Verdi 5 was used as a pumping source with fundamental wavelength of 532 nm (suitable for ...

32

Continuous-Wave Nd:YVO4 self-Raman lasers operating at 1109nm, 1158nm and 1231nm

Continuous-Wave Nd:YVO4 self-Raman lasers operating at 1109nm, 1158nm and 1231nm

... All-solid-state continuous-wave (CW) Raman lasers are widely recognized as a practical and efficient way to produce laser outputs in the near infrared, visible and ultraviolet wavebands ...

6

Automated Monitoring of Livestock Behavior Using Frequency-Modulated Continuous-Wave Radars

Automated Monitoring of Livestock Behavior Using Frequency-Modulated Continuous-Wave Radars

... In the context of animal selection, sheep behavior is often analyzed using a standard protocol, referred as the arena test [20] which consists in quantifying the activity of an animal in an open space. Here we introduce ...

10

Continuous wave room temperature external ring cavity quantum cascade laser

Continuous wave room temperature external ring cavity quantum cascade laser

... The observed emission spectrum of the ring cavity QCL operating in the continuous wave regime (Fig.4) is characterized mainly by a single narrow peak, sometimes several narrow peaks, with the side mode ...

14

Output power and efficiency in linear and ring configurations of continuous wave erbium doped fiber laser

Output power and efficiency in linear and ring configurations of continuous wave erbium doped fiber laser

... Erbium doped fiber laser plays an important role in 1.5 micron wavelength region which contributes in many applications for example in communication such as erbium doped fiber amplifier and spectroscopy in medical ...

22

Room temperature continuous–wave green lasing from an InGaN microdisk on silicon

Room temperature continuous–wave green lasing from an InGaN microdisk on silicon

... Optically pumped green lasing with an ultra low threshold has been achieved using an InGaN/GaN based micro-disk with an undercut structure on silicon substrates. The micro-disks with a diameter of around 1 mm were ...

5

Improved Immunity Measurement of a Microcontroller to Conducted Continuous Wave Interference

Improved Immunity Measurement of a Microcontroller to Conducted Continuous Wave Interference

... Abstract—This paper discusses an improved in-situ immunity mea- surement test bench of a microcontroller — PIC18F458 to conducted continuous wave interference (CWI). The updated measurement algo- rithm ...

11

Electrically pumped continuous-wave III–V quantum dot lasers on silicon

Electrically pumped continuous-wave III–V quantum dot lasers on silicon

... Although QD lasers have demonstrated superior performance on silicon substrates in the last few years, our previous publications 8,24,25 indicate that epitaxially grown GaAs-on-Si substrates are much inferior when ...

12

Profile of Extracranial Cerebrovascular Disease in Kelantan: A Study by Continuous Wave Doppler Ultrasonography

Profile of Extracranial Cerebrovascular Disease in Kelantan: A Study by Continuous Wave Doppler Ultrasonography

... Profile of Extracranial Cerebrovascular Disease in Kelantan A Study by Continuous Wave Doppler Ultrasonography Profile of Extracranial Cerebrovascular Disease in Kelantan A Study by Continuous Wave Do[.] ...

5

Accuracy of Handheld Continuous - Wave Doppler Ultrasound in the Assessment of Varicose Veins.

Accuracy of Handheld Continuous - Wave Doppler Ultrasound in the Assessment of Varicose Veins.

... Although the nature of varicose vein surgery is relatively simpler when compared to other surgeries that can be executed by the general surgeon, improper assessment of the pathological anatomy prior to surgery can have ...

13

Contrast agents for continuous wave photoacoustics

Contrast agents for continuous wave photoacoustics

... Modulated continuous wave diode lasers have been proposed [10, 11] but these don’t have very high power limiting the ultrasound signal that is ...pumped continuous wave lasers modulated with ...

89

Coded continuous wave meteor radar

Coded continuous wave meteor radar

... coded continuous wave specu- lar meteor radar (SMR) is ...phase-modulated wave- form, which has several advantages compared to conven- tional pulsed ...radars. Continuous transmissions ...

11

Optimization of photomixers and antennas for continuous-wave terahertz emission

Optimization of photomixers and antennas for continuous-wave terahertz emission

... For coupling of terahertz standing wave oscillations from the antenna, it is necessary for the antenna to have features on the effective length scale of the emitted terahertz wavelengths. Thus broadband antennas ...

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