Beamco.com: Eclipsor for sensor protection

The Eclipsor is used for sunlight mitigation in situations when the Sun is jamming the observation of the scenery around it. The Eclipsor protects the sensor (eye, CCD) from being blinded while maintaining overall transmission.

Device feature	Feature value	Note
Degree of attenuation	100 - 5000
Response time	50 ms – 1 s
Relaxation time	100 ms – 10 s
Sensitivity	1 mW – 10 mW	Varies depending on nonlinear optical material
Aperture	0.5” – 2”	Custom sizes and shapes possible
Operation temperature	0oC – 80oC
Operation temperature range	±10oC
Transmission	Up to 40%	l = 532 nm
Weight	20 g - 200 g	Varies for different models
Dimensions	1.5” x 2” x 6”	Varies for different models
Power supply	110 V/220 V
Price	$500 - $2000	Varies depending on the quality and the size of the optics
Lead time	4 weeks

N.V. Tabiryan, S. Nersisyan, “Liquid-crystal film eclipses the sun artificially”, Laser Focus World, 38 (5), 105-108 (2002)