{"id":59850,"date":"2025-12-11T16:13:13","date_gmt":"2025-12-11T16:13:13","guid":{"rendered":"https:\/\/photonics.laser2000.co.uk\/?post_type=product&#038;p=59850"},"modified":"2025-12-18T15:06:33","modified_gmt":"2025-12-18T15:06:33","slug":"872-series-pulsed-cw-laser-wavelength-meter","status":"publish","type":"product","link":"https:\/\/stagingphotonics.laser2000.co.uk\/?product=872-series-pulsed-cw-laser-wavelength-meter","title":{"rendered":"872 Series Pulsed &#038; CW Laser Wavelength Meter"},"content":{"rendered":"<p><strong>872 Series Pulsed &amp; CW Laser Wavelength Meter<\/strong><\/p>\n<ul>\n<li>Measurement resolution as fine as 200 kHz.<\/li>\n<li>Wavelength accuracy up to \u00b1 0.0001 nm.<\/li>\n<li>Automatic calibration with a built-in wavelength standard.<\/li>\n<li>Operation available from 375 to 1700 nm.<\/li>\n<li>Sustained measurement rate of 1 kHz.<\/li>\n<li>Convenient pre-aligned fiber-optic input.<\/li>\n<li>Built-in PID controller for precise laser stabilization.<\/li>\n<li>Optional Fiber-Optic Switch accessory enables the characterization of up to 8 lasers with a single instrument.<\/li>\n<li>Five-year warranty covers all parts and labor.<\/li>\n<\/ul>\n<p><strong>High Measurement Resolution<\/strong><\/p>\n<p>The 872 Series Laser Wavelength Meter from Bristol Instruments builds upon our unique Fizeau etalon technology to offer very high measurement resolution. This results in exceptional sensitivity to wavelength deviations making the 872-system ideal for the frequency stabilization of lasers. Two versions of the 872 Laser Wavelength Meter are available.<\/p>\n<p><strong>Advanced Precision and Versatility in Wavelength Measurement<\/strong><\/p>\n<p>The model 872A-VIS operates over the range of 375 to 1100 nm, and the model 872A-NIR works from 630 to 1700 nm. These instruments both provide wavelength accuracy of \u00b1 0.2 parts per million (\u00b1 60 MHz at 1000 nm) and frequency resolution of 1.0 part per billion (300 kHz at 1000 nm). Automatic calibration with a built-in wavelength standard guarantees this performance to ensure the most meaningful experimental results.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The 872 Series Laser Wavelength Meter by Bristol Instruments features Fizeau etalon tech for high-resolution measurements, ideal for laser frequency stabilization. Available in two versions: 872A-VIS (375-1100 nm) and 872A-NIR (630-1700 nm). Both models offer \u00b1 0.2 ppm wavelength accuracy (\u00b1 60 MHz at 1000 nm) and 1.0 ppb frequency resolution (300 kHz at 1000 nm). Automatic calibration ensures consistent performance for precise experiments.<\/p>\n","protected":false},"featured_media":59878,"template":"","meta":{"_acf_changed":false,"footnotes":""},"product_brand":[],"product_cat":[217],"product_tag":[],"class_list":{"0":"post-59850","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pulsed-cw-wavelength-meters","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.6 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>872 Series Pulsed &amp; CW Laser Wavelength Meter - Laser 2000<\/title>\n<meta name=\"description\" content=\"872 Series pulsed &amp; CW laser wavelength meter. 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