空腔损耗计和反射计 | 瑆创光学电子商店

Model GLACIER

Cavity-Ringdown (CRD) Loss Meter and Reflectometer

Our reflectometer GLACIER uses the extreme sensitivity of cavity ring-down spectroscopy to quantify the losses of advanced optical coatings down to 5 ppm. As a typical application the device can characterize supra-mirrors with up to 99.9995 % reflectivity. Conventional absorption and reflection measurements are not sufficiently sensitive to quantify today´s super-reflective mirror coatings and are typically limited to the > 1000 ppm range (corresponding to < 99.9 % reflectivity). Cavity ring-down spectroscopy measures optical losses by the decay of the energy stored inside a cavity. 

The technique reaches unrivalled sensitivity, because losses are experienced with each round trip inside the cavity over and over again. Smaller losses lead to longer intra-cavity dwell time thereby automatically increasing measurement precision. The device features high-speed data acquisition and allows to record measurements within seconds. It is delivered complete with a computer and a user-friendly software interface for acquisition and real-time analysis.

Model GLACIER-123

1064nm Harmonics Reflectometer and Loss Meter 

GLACIER®-123 designed as a multi-wavelength system, it is the first of its kind to measure at 355 nm. It includes a microchip laser that emits 1064, 532 and 355 nm radiation, making it particularly interesting for those in need of these harmonic wavelengths.Our reflectometers use the extreme sensitivity of cavity ringdown spectroscopy to quantify the losses of advanced optical coatings down to 5 ppm. As a typical application, the device can characterize supra-mirrors with up to 99.9995% reflectivity. Conventional absorption and reflection measurements are not sufficiently sensitive to quantify today's super-reflective mirror coatings and are typically limited to the >1000 ppm range (corresponding to <99.9% reflectivity). Cavity ring-down spectroscopy measures optical losses by the decay of the energy stored inside a cavity.

The technique reaches unrivalled sensitivity because the losses are experienced over and over again after every round trip inside the cavity. Lower losses lead to longer intra-cavity dwell time thereby automatically increasing the measurement precision. The device features high-speed data acquisition and allows to record measurements within seconds. It is delivered complete with a computer and a user-friendly software interface for acquisition and real-time analysis.

Model GLACIER-C

Supercotinuum light source Cavity-Ringdown Reflectometer

GLACIER®-C is a further development of our successful reflectometer. it allows measuring the losses of optical coatings down to 5 ppm using the extremly sensitive cavity ring-down spectroscopy method. It is therefore often used to characterize highly reflective mirrors where conventional reflection and absorption measurements are insufficient. The innovation of GLACIER®-C is the employment of a super- continuum laser source in combination with a tunable monochromator. This allows a freely selectable wavelength within 450 nm and 2000 nm and, thus, offers an unprecedented flexibility as it is not limited to available diode laser wavelengths. GLACIER®-C combines the unrivalled sensitivity of GLACIER® with a unique wavelength flexibility, creating the most powerful device on the market. The device features high-speed data acquisition and allows to record measurements within seconds. Easy and fast change of wavelength is facilitated through the user friendly software and easy change of optics on kinematic mounts.

375 — 1550 nm (diode laser based)

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