Description: Meadowlark Optics’ Liquid Crystal Variable Attenuator (LCVA) offers real-time, continuous control of light intensity. Our attenuator consists of an LC Variable Retarder (with attached compensator) operating between crossed linear polarizers. With crossed polarizers, light transmission
- Polarizer Type: Other
- Polarizer Application: Infrared, Visible
- Wavelength Range: 450 to 1550 nm
- Clear Aperture: 0.7000 inch
Description: Meadowlark Optics is pleased to present its new tunable optical filter with user selectable bandwidth and a variable full width at half maximum (FWHM). By utilizing multiple liquid crystal variable retarders and polarizers, this tunable filter allows the user to switch between any wavelength from
- Application: Visible (VIS)
- Filter Shape: Circular
- Center Wavelength: 420 to 730 nm
- Filter Bandpass: 12 to 39 nm
Supplier: Analtech, Inc.
Description: to a flat viewing surface large enough to accommodate two 20 x 20 cm TLC plates. A weighted, dark felt curtain covers the opening and insures a light-tight viewing area. Available in 110V or 230V. Analtech offers a full range of UV lamps with various combinations of UV wavelength, intensity, size
- Illuminator Type: Area / Backlight
- Light Source: Lamp
- Wavelength: 254 nm
- Illuminator Output: 8000 milliwatts
Description: Hex Spatial Light Modulator - Our transmissive hexagonal array SLMs are designed for adaptive optics applications. The two dimensional array of Liquid Crystal Variable Retarders acts as a real time programmable phase mask for wavefront correction of a linear polarized source. Unwanted aberration
- Modulator Type: Analog
- Modulation: Amplitude
- Wavelength Range: 450 to 1800 nm
- Free Standing: Yes
Description: indicator Green LED (lights up under stable light received condition or stable dark condition) (incorporated on the receiver for thru-beam type) Power indicator Green LED (lights up when the power is ON) (incorporated on the emitter) - Sensitivity adjuster Continuously variable adjuster (incorporated
- Operating Temperature: 32 to 122 F
- Body: Rectangular
Description: No Description Provided
- Emitter Type: Light Emitting Diode
- Operating Mode: 2000 Hz
- Form Factor: Rack Mount
- Cable Type: Single-mode / Multimode
Supplier: Yokogawa Corporation of America
Description: The AQ2200-136 TLS module is an optional wideband variable wave light source designed for the A2200 multi-application test system. Although it is lightweight with a small, 2-slot module, it is capable of tuning the range of 1440 nm to 1640 nm.
- Emitter Type: Laser Diode
- Operating Mode: Continuous Wave, 270 Hz, 1000 Hz, 2000 Hz
- Form Factor: Bench Top, Rack Mount
- Cable Type: Single-mode
Supplier: Edmund Optics Inc.
Description: spot lights will directly replace any 1/4" (0.312") fiber light guide, or can be used with our light guide adapters to replace large fiber bundles. An LED intensity controller, such as #56-440 Variable Current Source, is required for use.Fiber Optic Replacement LED Spot Lights are ideal
- Illuminator Type: Spot
- Light Source: LED
- Active Area Diameter or Length: 0.3110 inch
- Lifetime: 3.00E6 minutes
Supplier: Excelitas Technologies Corp.
Description: for electrical connections. Key Features Bright – light intensity comparable to Xenon Safe – emits virtually no Ultraviolet or Infrared radiation Easy coupling – flange mounted optical alignment features for fiber input port Quiet – low noise generation variable speed
- Light Source: LED
- Lifetime: 900000 to 1.50E6 minutes
- Wavelength: 400 to 700 nm
- Color Temperature: 12050 F
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Proposed Reference Solar Spectral Power Distributions for Miami andProposed Reference Solar Spectral Power Distributions for Miami and Phoenix From Three Years of Measurements
environments, comparison of artificial light sources to natural sources, estimates for dose-damage models and characterization of materials wavelength sensitivity in natural environments. The impetus for this study was to develop more realistic reference SPDs than currently available for Miami, FL
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Wavelength converter operating on strict frequency grid using a single side band optical modulator in a circulating loop
A wavelength converter and a variable wave- length light source that operate on strict frequency grid are proposed and demonstrated using a single side band optics1 modulator in a re-circulating fiber loop configuration.
Surface Anisotropy Measurements By Ellipsometry
If the ellipsometer is fitted with a variable wavelength light source , further probing of the roughness and /or composite layers may be done by adjusting the wavelength to values at which the material has high and low absorption.
A hybrid reflective/refractive/diffractive achromatic fiber-coupled radiation resistant imaging system for use in the Spallation Neutron Source (SNS)
A chrome on glass 1951 USAF resolution test chart was placed in front of the variable wavelength light source , at the operational focal distance of the imaging lens.
Development and initial evaluation of a spectral microdensitometer for analysing radiochromic films
We have consequently incorporated a microscope with a monochromator as a variable wavelength light source and a two-dimensional CCD camera in the design for a suitable readout device for RCFs.
Photoacoustic and transmission studies of SiC polytypes. Mat. Res., Jan 2003, vol.6, no.1, p.47-49. ISSN 1516-1439
A 150 Watts Xe lamp, with a ellipsoidal reflector, couple to a 0.22 m double monocromator (Spex model 1680) was used as variable wavelength light source .
Integrated DQPSK transmitter for dispersion-tolerant and dispersion-managed DWDM transmission
Conclusion A novel configuration for a wavelength converter and a variable wavelength light source operating on strict frequency grid was proposed and demon- strated.
Overview of optical switching technologies in Japan
To construct a wavelength-divisionswitchingnet- work, tunable optical filters, variable wavelength light sources and wavelength converters are required.
Nondegenerate four-wave mixing in a long-cavity λ/4-shifted DFB laser using its lasing beam as pump beams
Signal beams from a variable wavelength light source were polarization-controlled and coupled into the front facet of the laser.
THz frequency conversion using nondegenerate four-wave mixing process in a lasing long-cavity λ/4-shifted DFB laser
Input signalbeam 0,from variable wavelength light source is coupled to DFB laser from front facet, and output signal beam w,, a pump beam w and conjugate beam 2 0 - ID,from the rear facet are observedusing optical spectrum anafyser .
V International Congress on Experimental Mechanics Technical Program
Measure- menfs Group lnc A variable wavelength light source can be used to measure fractional orders independent of the orientation of the principal-stressltransmission directions and to produce full-field photoelastic- fringe patterns with varying fringe orders The theory of the...
Subthreshold voltage�?induced transferred charge measurements of evaporated ZnS:Mn alternating�?current thin�?film electroluminescent devices
PDP experiments are accomplished by first applying a below-threshold dc voltage to the ACTFEL device and then stimulating the ACTFEL device with a vari- able wavelength light source .
IN VIVO and POST MORTEM MEASUREMENTS OF THE ATTENUATION SPECTRA OF LIGHT IN MAMMALIAN TISSUES
Block diagram of computer-controlled variable wavelength light source and optical fiber light detector system.
Haematite and chromia dissolution in the zirconia matrix during thermal oxidation of Laves-phases γ–Zr(Fe,Cr)2 on Zircaloy-4
The variable wavelength light source was a 1000 W Xenon arc bulb (Mu¨ller GmbH Lax 1000) associated to a triple grating monochromator (PAR 1235, EG&G Instruments), allowing selecting the photon wavelengths within a spectral width of + 1 nm.
Advanced Materials for Integrated Optical Waveguides
A variable wavelength light source using an external resonator and watt class high output were achieved.
Angular domain imaging of phantom objects within highly scattering mediums
b) the absorbing and scattering properties of tissue are wavelength dependent allowing a variable wavelength light source used with a single optical detector to provide additional information about the internal tissue structure .