Unique structure and optics of the lesser eyes of
... light microscopy that there might be a ‘‘lens-like” structure in the slit eye and therefore possible image formation. Nothing is known about the functions of the smaller eyes, but if the slit eye contains a lens it would indicate that this eye is more complex than previously believed. Thorough morph ...
... light microscopy that there might be a ‘‘lens-like” structure in the slit eye and therefore possible image formation. Nothing is known about the functions of the smaller eyes, but if the slit eye contains a lens it would indicate that this eye is more complex than previously believed. Thorough morph ...
Passive intrinsic-linewidth narrowing of ultraviolet extended-cavity diode laser by weak optical feedback
... the other hand have typical linewidths of a few hundred kHz to a few MHz, with shorterwavelength systems generally on the broader end [2]. Numerous schemes exist for narrowing their linewidth. Optical feedback from a resonator [3] can be used to reduce the linewidth of an ECDL, and recent systems [4 ...
... the other hand have typical linewidths of a few hundred kHz to a few MHz, with shorterwavelength systems generally on the broader end [2]. Numerous schemes exist for narrowing their linewidth. Optical feedback from a resonator [3] can be used to reduce the linewidth of an ECDL, and recent systems [4 ...
Influence of optical forces on nonlinear optical frequency conversion
... integrated system. Optical forces play an important role in an optomechanical system, which have been proposed and demonstrated based on diverse configurations, for example, a suspended Fabry-Perot cavity or high-finesse micro resonators with the radiation-pressure force [1] and an evanescently coup ...
... integrated system. Optical forces play an important role in an optomechanical system, which have been proposed and demonstrated based on diverse configurations, for example, a suspended Fabry-Perot cavity or high-finesse micro resonators with the radiation-pressure force [1] and an evanescently coup ...
IOSR Journal of Applied Physics (IOSR-JAP)
... of labels requires special labs and large quantities of reagents and equipments that must be properly disposed. The loss of color of the fluorescent chemical compound over time due to exposure to light reduces the ability of this technique to supply measurements in high quantity. In case when nanopa ...
... of labels requires special labs and large quantities of reagents and equipments that must be properly disposed. The loss of color of the fluorescent chemical compound over time due to exposure to light reduces the ability of this technique to supply measurements in high quantity. In case when nanopa ...
Mode Field Diameter and Effective Areas
... field intensity of a mode of light in a fiber cross section”1. In optical fiber, this typically is larger than the fiber core, since a portion of the light propagates through the cladding. MFD traditionally has been determined using a Gaussian approximation of the intensity distribution with the MFD ...
... field intensity of a mode of light in a fiber cross section”1. In optical fiber, this typically is larger than the fiber core, since a portion of the light propagates through the cladding. MFD traditionally has been determined using a Gaussian approximation of the intensity distribution with the MFD ...
Distributed Temperature Sensing Using Stimulated
... an optical coupler. Light signals of different frequencies experience different phase delays after passing through the same fiber. These phase differences depend on the locations of the sensing FBGs and can be measured with the help of interference. This way wavelength-sensitive devices are not requ ...
... an optical coupler. Light signals of different frequencies experience different phase delays after passing through the same fiber. These phase differences depend on the locations of the sensing FBGs and can be measured with the help of interference. This way wavelength-sensitive devices are not requ ...
Section 4 Diffraction_handbook of optics
... radius vector from the source P0 . To account for this variation, an obliquity or inclination factor K (χ ) is introduced. In the phenomenological approach developed by Fresnel, no special form of K (χ ) is used. It is assumed to have the value unity at C where χ 5 0 , and it is assumed to decrease ...
... radius vector from the source P0 . To account for this variation, an obliquity or inclination factor K (χ ) is introduced. In the phenomenological approach developed by Fresnel, no special form of K (χ ) is used. It is assumed to have the value unity at C where χ 5 0 , and it is assumed to decrease ...
Damping rates of the atomic velocity in Sisyphus cooling
... In our experiment 85 Rb atoms are cooled and trapped in a 3D dissipative optical lattice red detuned with respect to the Fg = 3 ջ Fe = 4 D2 line transition. The procedure to load the atoms in the optical lattice is the standard one used in previous experiments [12]: the rubidium atoms are first cool ...
... In our experiment 85 Rb atoms are cooled and trapped in a 3D dissipative optical lattice red detuned with respect to the Fg = 3 ջ Fe = 4 D2 line transition. The procedure to load the atoms in the optical lattice is the standard one used in previous experiments [12]: the rubidium atoms are first cool ...
Quantitative Phase Imaging
... studying weakly scattering and absorbing specimens (Popescu, 2011). The main challenge in generating intrinsic contrast from optically thin specimens including live cells is that, generally, they do not absorb or scatter light significantly, i.e., they are transparent, or phase objects. In his theor ...
... studying weakly scattering and absorbing specimens (Popescu, 2011). The main challenge in generating intrinsic contrast from optically thin specimens including live cells is that, generally, they do not absorb or scatter light significantly, i.e., they are transparent, or phase objects. In his theor ...
... At times exciting and rewarding, at times challenging and frustrating, this Thesis is the culmination of my research, to which I have devoted the last four years, and that would have not been possible without the help, contribution and support of many people. First on the list, I would like to than ...
Micro- and Nanotechnologies for Optical Neural Interfaces
... addressable light emission points with multiple shanks arranged in three-dimensions using a micro-fabricated baseplate holder (Figure 1F; Zorzos et al., 2012). Each shank contains several light emission points in the same configuration of Zorzos et al. (2010), each of which can be independently addr ...
... addressable light emission points with multiple shanks arranged in three-dimensions using a micro-fabricated baseplate holder (Figure 1F; Zorzos et al., 2012). Each shank contains several light emission points in the same configuration of Zorzos et al. (2010), each of which can be independently addr ...
Principles of Interference
... c Springer Science+Business Media, LLC 2011 DOI 10.1007/978-1-4419-5710-8 2, ...
... c Springer Science+Business Media, LLC 2011 DOI 10.1007/978-1-4419-5710-8 2, ...
Document
... • Reducing reliance on the in line arrangement PMTs • Placing a second fluorescence collection lens at 180o from the first one (this is more difficult in most instruments) ...
... • Reducing reliance on the in line arrangement PMTs • Placing a second fluorescence collection lens at 180o from the first one (this is more difficult in most instruments) ...
High-peak-power pulse generation from a
... round-trip time of the complete cavity, and it therefore is attributed to longitudinal mode beating. This type of spectral dynamics has been studied previously in lasers with active optical feedback [11]. A similar behavior, periodic ripples in the Pout -I PA characteristics correlated with mode hop ...
... round-trip time of the complete cavity, and it therefore is attributed to longitudinal mode beating. This type of spectral dynamics has been studied previously in lasers with active optical feedback [11]. A similar behavior, periodic ripples in the Pout -I PA characteristics correlated with mode hop ...
A twisted periscope arrangement for transporting elliptically
... experimentally demonstrated that in the wavelength range 400–1000 nm, this arrangement preserves the polarization state fairly well when using either metallic or dielectric mirrors. © 2010 American Institute of Physics. [doi:10.1063/1.3518949] Magneto-optical measurements on solids typically require ...
... experimentally demonstrated that in the wavelength range 400–1000 nm, this arrangement preserves the polarization state fairly well when using either metallic or dielectric mirrors. © 2010 American Institute of Physics. [doi:10.1063/1.3518949] Magneto-optical measurements on solids typically require ...
ELECTRO-OPTICS
... wave by varying the voltage V that is applied across a material through which the light passes. The parameter VT is an important characteristic of the modulator. It depends on the material properties (n and r), on the wavelength A,, and on the aspect ratio d/L. The electric field may be applied in a ...
... wave by varying the voltage V that is applied across a material through which the light passes. The parameter VT is an important characteristic of the modulator. It depends on the material properties (n and r), on the wavelength A,, and on the aspect ratio d/L. The electric field may be applied in a ...
Ocean optics estimation for absorption, backscattering, and phase
... remote sensing reflectance measurements relied on by Leathers et al.5 The general method proposed here requires that radiance measurements in multiple directions be made. Radiance measurements are difficult to make in a water column, admittedly, although prototype instruments have been developed by ...
... remote sensing reflectance measurements relied on by Leathers et al.5 The general method proposed here requires that radiance measurements in multiple directions be made. Radiance measurements are difficult to make in a water column, admittedly, although prototype instruments have been developed by ...
Thunderbolt Controller
... Optical fibers have two primary types of impairment: optical attenuation and dispersion The fiber optical attenuation, which is mainly caused by absorption and the intrinsic Rayleigh scattering, is a wavelength dependent loss with optical losses as low as 0.2 dB/km around 1550 nm for conventional SM ...
... Optical fibers have two primary types of impairment: optical attenuation and dispersion The fiber optical attenuation, which is mainly caused by absorption and the intrinsic Rayleigh scattering, is a wavelength dependent loss with optical losses as low as 0.2 dB/km around 1550 nm for conventional SM ...
V Groove Measurement with White Light Interferometer
... object[12, 17, 19, 20]. The position of ghost steps can also be slope dependent. 4. Materials Effects: Different materials exhibit different phase changes on reflection, and depending on the processing algorithms used these affect the surface height measurement[15, 22]. 5. Spatial Frequency (pitch) ...
... object[12, 17, 19, 20]. The position of ghost steps can also be slope dependent. 4. Materials Effects: Different materials exhibit different phase changes on reflection, and depending on the processing algorithms used these affect the surface height measurement[15, 22]. 5. Spatial Frequency (pitch) ...