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光學(xué)透射系統(tǒng)
2019/08/07
This simple, yet elegant system is ideal for accurate, repeatable measurements of optical filters, glass and ophthalmic lenses.
Weve combined our expertise in miniature spectrometers and accessories with experience as a manufacturer of precision optics to create a compact system for real-time transmittance measurement of ophthalmic lenses and other optical components.
The Ocean Optics Optical Transmittance Spectrophotometer (OTiS) is ideal for both in-line and in-lab applications where transmittance accuracy (to +/- 1.0%) and precision (+/- 0.1%) are critical. Common applications include measurement of optical coatings, windows and filters, and glass and plastic components.
About the System
The OTiS covers the 380-780 nm wavelength range and accepts samples from 10-150 mm in diameter and up to 10 mm thickness. The system comprises several components:
High-resolution miniature linear CCD-array spectrometer configured for 380-780 nm
High-power, 20-watt tungsten halogen light source
Fiber optic integrating sphere for collecting signal transmitted through the sample
Optics for improved beam collimation and spectral sensitivity distribution
Sample fixture (z-stage) to hold sample in place and exclude ambient light
Short optical fiber to channel signal from the integrating sphere to the spectrometer
Customized lens transmittance and color calculation software
Under the Hood
Characteristics
Spectral range: 380-780 nm
Detection: Miniature fiber optic spectrometer
Light source: High-power tungsten halogen (360-2000 nm)
Sample collection: Fiber optic integrating sphere
Color calculations: CIE L*a*b* color characteristics
Measurement calibration: Manual calibration using known filter standard (not included); calibration time <30 seconds
System calibration: Recommend annual recalibration
Transmittance calibration standards: Available (contact an Applications Scientist for details)
Typical samples measured: Windows, filters, glass and plastic lenses
Sample size: 10-150 mm diameter, up to 10 mm thickness
Optical stage: White powder-coated aluminum (optional black anodized aluminum version available)
Software: Customized lens transmittance and color calculation software
Quality: Calibration referenced to accepted standards
Manufacturing compliance: CE/UL/RoHS/WEEE
Performance
Transmittance measurement accuracy: +/-1.0%
Transmittance measurement precision: +/-0.1%
Data acquisition time: <5.0 seconds
Light source output: 20 watts
Light source stability: 0.5% (~15 minutes to stabilize)
Light source drift: <0.3% per hour
Bulb lifetime: 2,000 hours
Bulb color temperature: 3,000 K
Operating temperature: 5 C - 35 C
Operating humidity: 5-95% at 40 C
Computer & Power Requirements
Operating systems: Windows Operating System
Computer interfaces: USB 2.0 @ 480 Mbps
Power requirements: 100-240V, 50-60 Hz, 1.5A