Light Source
Saturday, March 6th, 2010
Light Source
What happens to the size of a shadow if its light source is moved farther away?
If the light source is moved farther away from the object, what happens to the size of the shadow? (The Ray Model Of Light)
assuming it is moved horizontally, the shadow will get longer
Light Source
Mini Optical Light Source Weighs Only 80g
Toronto, Canada – GAO Fiber Optics has released its mini optical light source which combines high performance with durability in an extremely small-sized package.The light source is specially designed for use in telecommunication and CATV testing and maintenance as well as in fiber optics test labs.It features highly stable and accurate output power and wavelength. The mini optical light source, model 08221, uses an FP-LD emitter and works at a wavelength range of 1330nm to 1550nm. The optical device is light in weight, easy-to-use and cost-effective.It includes an optional loss test kit. When combined with GAO Fiber Optics’ mini optical power meter Model 08112,the optical light source provides an efficient testing solution for field work in fiber optic networks.The mini light source works continuously for forty hours using three 1.5V alkaline batteries.It can be used for both single-mode fiber and for multi-mode fibers. Visit for more information or to purchase this product online. For any sales inquires please contact: 1-877 585-9555 ext. 60- Toll Free (USA & Canada) 1-416 292-0038 ext. 601- All Other Areas sales@gaofiberoptics.com About GAO Fiber Optics GAO Fiber Optics a member company of GAO Group, is a leading provider of fiber optic test and measurement instruments, transceivers and other fiber optical devices. Toronto, Canada – GAO Fiber Optics has released its mini optical light source which combines high performance with durability in an extremely small-sized package.The light source is specially designed for use in telecommunication and CATV testing and maintenance as well as in fiber optics test labs.It features highly stable and accurate output power and wavelength. The mini optical light source, model 08221, uses an FP-LD emitter and works at a wavelength range of 1330nm to 1550nm. The optical device is light in weight, easy-to-use and cost-effective.It includes an optional loss test kit. When combined with GAO Fiber Optics’ mini optical power meter Model 08112,the optical light source provides an efficient testing solution for field work in fiber optic networks.The mini light source works continuously for forty hours using three 1.5V alkaline batteries.It can be used for both single-mode fiber and for multi-mode fibers. Visit for more information or to purchase this product online. For any sales inquires please contact: 1-877 585-9555 ext. 60- Toll Free (USA & Canada) 1-416 292-0038 ext. 601- All Other Areas sales@gaofiberoptics.com About GAO Fiber Optics GAO Fiber Optics a member company of GAO Group, is a leading provider of fiber optic test and measurement instruments, transceivers and other fiber optical devices.
About the Author
About GAO Fiber Optics
GAO Fiber Optics a member company of GAO Group, is a leading provider of fiber optic test and measurement instruments, transceivers and other fiber optical devices.
The frequency of a blinking light source appears to double as the light source approaches you.?
As the same light source moves away from you at the same speed, its frequency:
is halved
is doubled
stays the same
It is halved.
Doppler effect, or red shift.
Search on this if you need a reference
National Synchrotron Light Source II
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