Product Description:
The Bristol 671 wavelength meter is a high-precision laser wavelength measurement device in the Bristol series, suitable for wavelength measurement of continuous and quasi-continuous lasers. Its design covers a wide wavelength range from visible light to mid-infrared, providing a reliable measurement tool for scientific research, industrial testing, and laser development.
Multi-mode laser measurement: Supports wavelength measurement of continuous and quasi-continuous lasers (repetition rate > 10 MHz).
High-precision measurement:
Model 671A: Wavelength accuracy up to ±0.2 ppm (for example, at 1000 nm, ±0.0002 nm).
Model 671B: Accuracy of ±0.75 ppm (for example, at 1000 nm, ±0.0008 nm).
Built-in calibration source: Uses a stabilized-frequency He-Ne laser for real-time calibration to prevent the influence of vibration or temperature changes on the measurement results, without the need for manual intervention.
Multi-unit display: Supports display of measurement results in units such as nm, μm, cm⁻¹, GHz, and THz.
Wavelength range:
Visible light (VIS): 375 - 1100 nm
Near-infrared (NIR): 520 - 1700 nm
Infrared (IR): 1 - 5 μm
Mid-infrared (MIR): 1.5 - 12 μm (Model 671B supports a wider range).
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