Solutions & Capabilities
Luminance Contrast
Testing of displays and video screens for emission of visible light vs reflected ambient light. This is done to determine visibility of the display image and requires a uniform source of irradiance on the display. Labsphere’s uniform source spheres and systems can be configured to meet your display test needs.
- Systems & Capabilities Related To Luminance Contrast
- HELIOS Uniform Light Sources for Luminance and Radiance
Additional Solutions & Capabilities
- Airborne Calibration :: Precise radiometric solutions for aerial reconnaissance and imaging.
- Ambient Contrast Testing :: Sources of luminance and radiance designed to uniformly illuminate for displays and video screens for testing ambient contrast to determine visibility of the display image under va...
- Ambient Light Sensor Calibration :: Ambient light sensors are designed to detect brightness in the same way as human eyes do. They are used wherever the settings in a system have to be adjusted to the ambient conditi...
- Automotive Light Source Calibration :: For applications requiring the total output and color of the automotive lamp an integrating sphere spectrometer is used.
- Automotive Sensor Calibration :: Labsphere has the tools you need to design and qualify your products to global industry and regulatory standards.
- Color Calibration of Sensors ::
- Color Measurement of Light Source :: Solutions for accurate measurement of color performance of LEDs, LED modules, light engines, lamps, and luminaires.
- Efficiency of Lamps and Luminaires :: Qualify lamps and luminaires for Energy Efficiency to global standards with Labsphere’s renowned total spectral flux measurements systems and standards.
- Fiber Optic Illuminator Measurement :: Manufacturers, distributors and users of boroscopes, endoscopes, and similar systems require precise calibration and/or characterization of the fiber-optic-based illuminator system...
- Flashlight Measurement ::
- Flat Fielding/PRNU :: Characterization of pixel-to-pixel, or sensor, or imager non-uniformity in response by exposure to a known uniform (flat) field of light with Labsphere’s expansive line of broadb...
- Fluorescence (Phosphor) Materials :: Doping Labsphere Spectralon®, a stable non-fluorescing substrate material with stable inorganic phosphors with known stimulus bands and stokes emission bands to create a machinabl...
- Ground Truth :: Validate airborne or space-borne optical measurements with traceable measurements on designated ground diffuse reflectance targets.
- Ground-Based Imager & Sensor Testing :: Testing solutions for today’s cutting edge satellites, terrestrial and airborne imaging systems.
- Hyperspectral Calibration :: Combining conventional 2D images with a third dimension containing spectral or band information to create a “hyper-cube”.
- Illuminance Measurements :: Measurement of visible light striking a designated surface or theoretical plane in space. Typically involved cosine receivers and photopic sensor or spectrometer.
- Image Sensor Calibration :: Radiometric, narrow band, color-tunable and broadband uniform light source standards for the characterization and calibration of consumer and industry imaging products.
- Intensity Measurement :: Characterize the temporal and spatial intensity distribution of LEDs, lamps and luminaires for general and automotive lighting with a diverse selection of robust and accurate gonio...
- Lamp/Luminaire Measurement :: Total spectral flux, luminous flux, color and thermal characterization of LEDs, lamps and luminaires with integrating sphere spectrometers from 0.25m to 3m systems and standards. C...
- Laser Measurement :: Labsphere’s laser power measurements systems assures an accurate and reproducible method of determining the total power from a collimated or divergent lasers and laser diodes ins...
- Laser Pump Chambers :: A Spectralon® reflector surrounding the laser rod serves again to improve the pumping efficiency by reflecting pump radiation that is not absorbed by the laser rod on its first pa...
- LED Measurement :: Typical quantities for LED characteristics include luminous flux, luminous intensity, x, y, dominate wavelength, peak wavelength, FWHM and for white LEDs, CRI and spatial distribut...
- Light Sensor Calibration and Characterization :: Light sensors are characterized for their linearity, quantum efficiency, spectral responsivity and uniformity in response. Labsphere offers a broad selection of test equipment for ...
- Linearity/Dynamic Range (Sensor) :: Testing a device using a known (calibrated) uniform light source that can translate from very low to very high levels and determine the saturation and signal to noise of the camera...
- LM-82 Lamps and Luminaire Elevated Temperature Tests :: Ask us about our thermally controlled integrating sphere spectrometer options and Integral® software for testing to IES LM-82 guidelines.
- Luminance Contrast :: Testing of displays and video screens for emission of visible light vs reflected ambient light. This is done to determine visibility of the display image and requires a uniform sou...
- Luminance Meter Calibration :: Usually measured with an imaging photometer know as a luminance meter or spectroradiometer. To calibrate these instruments an accurate source of luminance is required. Labsphere of...
- Optical Power (watts) :: Measurement of optical energy. Typically done with an integrating sphere to remove angular and area factors. Labsphere laser power and spectral light measurement systems assure a...
- Proximity Sensor Test :: A proximity sensor is a device which detects objects when they get within a certain distance from the sensor.
- Quantum Efficiency (Phosphor) :: Measurement of the quantity and wavelengths of emitted photons from a phosphor or fluorescing material as a function of a known amount of stimulating photons at known wavelengths. ...
- Quantum Efficiency (Sensor) :: Characterizing imaging and flat panel arrays of CMOS, CCD and photo sensors for quantum efficiency and spectral responsivity requires absolute values of known irradiance or radianc...
- Reflectance Factor :: Reflectance of a surface in a given optical geometry as referenced to a perfect Lambertian diffuser. Labsphere offers an assortment of near Lambertian, diffuse reflectance standard...
- Source Sensor Compensation :: To optimize an image instrument's sensors to the illumination source and target of known reflectance is used to adjust the light source output to optimize the sensor's exposure for...
- Spatial Distribution of Sources :: Characterize the temporal and spatial intensity distribution of LEDs, lamps and luminaires for general and automotive lighting with a diverse selection of robust and accurate gonio...
- Spatial Mapping of Integrating Sphere Photometers :: The mapping of an integrating sphere against a highly collimated source as a function of 2pi or 4pi steradians. Basically a point-by-point measurement of a laser at each square ce...
- Spectral Radiance :: Spectral radiance and radiance are key radiometric values used to calibrate the spectral response of spectroradiometers, multispectral and hyperspectral imagers. Labsphere is the w...
- Spectral Responsivity :: Characterizing imaging and flat panel arrays of CMOS, CCD and photo sensors for quantum efficiency and spectral responsivity requires absolute values of known irradiance or radianc...
- Spectroradiometer Calibration :: Spectral radiance and radiance are key radiometric values used to calibrate the spectral response of spectroradiometers, multispectral and hyperspectral imagers. Labsphere is the w...
- Temporal / Stability :: Temporal stability is just one feature built into Labsphere’s metrology systems to monitor the light source stability with time.
- Time Of Flight :: Describes a variety of methods that measure the time that it takes for a light wave to travel a distance through a medium.
- Total Spectral and Luminous Flux Measurement :: Total spectral flux, luminous flux, color and thermal characterization of LEDs, lamps and luminaires with integrating sphere spectrometers from 0.25m to 3m systems and standards. C...
- Transmittance :: Labsphere offers a variety of reflectance and transmittance solutions in one. Standard and Custom.
- Uniform Spectral Radiance :: See Spectral Radiance. A uniform light source with a calibrated or known spectral radiance such as an integrating sphere or a Lambertian target and light source.
- UV LED Flux Measurement :: Peak wavelength, bandpass, to power, efficiency and stability are just a few characteristics that describe the performance of UVA, UVB and UVC LEDs and LED modules.
- UV SPF/UPF Testing :: Integrating sphere systems can be used to measure the ultraviolet transmittance of sunscreen samples to determine the various protection factors (SPF) or UV protection factor (UPF)...
- Vacuum & Thermal Vacuum :: How do you achieve the lowest possible uncertainty? Test as you Fly and Fly as you Test.
- Veiling Glare Measurement :: The image plane of an optical or imaging system normally receives not only the image forming radiation, but also stray light which can reduce image contrast. This unwanted radiatio...