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LS 1 Cal

The document discusses several radiometric calibration standards for calibrating spectrometers and optical systems. The LS-1-CAL and HL-2000-CAL calibrate systems using optical fibers or cosine correctors, providing absolute intensities from 300-1050 nm. The LS-1-CAL-INT and HL-2000-CAL-ISP calibrate systems using integrating spheres as sampling optics. All sources include a power supply and calibration certificate and provide 50 hours of use before recalibration is needed.

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279 views1 page

LS 1 Cal

The document discusses several radiometric calibration standards for calibrating spectrometers and optical systems. The LS-1-CAL and HL-2000-CAL calibrate systems using optical fibers or cosine correctors, providing absolute intensities from 300-1050 nm. The LS-1-CAL-INT and HL-2000-CAL-ISP calibrate systems using integrating spheres as sampling optics. All sources include a power supply and calibration certificate and provide 50 hours of use before recalibration is needed.

Uploaded by

bjs1j
Copyright
© Attribution Non-Commercial (BY-NC)
We take content rights seriously. If you suspect this is your content, claim it here.
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Radiometric Calibration Standards: VIS-NIR

Calibrated with Fiber & Cosine Corrector


The LS-1-CAL is designed for calibrating the absolute spectral response of a complete system consisting of a spectrometer and an optical fiber and/or a CC-3-UV Cosine Corrector (page 104). The HL-2000-CAL is also designed for calibrating a system consisting of a spectrometer and a cosine corrector. The calibration data for both the LS-1-CAL and the HL-2000-CAL includes absolute intensities for wavelengths between 300-1050 nm.
The LS-1-CAL is calibrated for use with a fiber and/or a CC-3-UV Cosine Corrector (not included).

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Calibrated for Use with Integrating Sphere


The LS-1-CAL-INT is designed for calibrating the absolute spectral response of a system that uses the FOIS-1 Fiber Optic Integrating Sphere (page 105) as the sampling optic. The LS-1-CAL-INT comes with a diffuser plug that fits into the sample port of the FOIS-1 to measure absolute spectral intensities of LEDs and other emission sources. The HL-2000-CAL-ISP is designed for calibrating the absolute spectral response of your system when using the ISP-50-8-I Integrating Sphere (page 105) as your sampling optic.

The LS-1-CAL-INT is calibrated specifically for use with the FOIS-1 Integrating Sphere. Notice the PTFE diffuser plug thats seated where an SMA 905 Connector is usually installed. This plug fits snugly into the sample port of the FOIS-1.

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Whats Included
Each of these radiometric sources comes with a regulated 12 VDC power supply. Also included is a calibration certificate and electronic files for use with our irradiance functions in SpectraSuite Spectroscopy Operating Software. Neither the LS-1-CAL nor the HL-2000-CAL lamps comes with a CC-3-UV Cosine Corrector.

Recalibrating Your Source


These calibrated sources provide 50 hours of operation before an in-house recalibration (called the LS-1-RECAL and the HL-2000-RECAL) is necessary.
The HL-2000-CAL is used for calibrating most radiometric systems, while the HL-2000-CAL-ISP is used with ISP Integrating Spheres.

In-house Calibration
If you do not want to purchase one of these calibration sources, we offer in-house radiometric calibration services that calibrate the absolute spectral response of your system. The SPEC-CAL service is for 300-1050 nm and the SPEC-CAL-NIR service is for 900-2400 nm.

LS-1-CAL Spectral Output


90 80 70 POWER (W/cm2/nm) 60 50 40 30 20 10 0 300 400 500 600 700 800 900 1000

Specifications
Power consumption: Wavelength range: Output: Recalibration: Time to stable output: Bulb color temperature: Connector: 600 mA @ 12 VDC 300-1050 nm (calibrated) 6.5 watts Required after 50 hours of operation ~20 minutes 3100 K for LS-1-CALs, 2800 K for HL-2000-CALs SMA 905 for fiber; 6.35-mm barrel for cosine corrector; PTFE plug for integrating sphere

WAVELENGTH (nm)

Above is the typical calibration output when using the LS-1-CAL or HL-2000-CAL with a CC-3 Cosine Corrector.

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