Hi, just wonder if there is any simple way to measure the wavelength 
for IR as well?  Would it be different if I just want to get an estimation, 
instead of a precise value?

Thanks in advance.

Vic. Li


On 8 Oct 1996, Alex Basauri wrote:

> UV measurements are always a problem. Sources do wander in intensity and 
> sometimes in wavelength. Filters for UV also become unstable in their 
> transmission. There are a number of companies which manufacture 
> wavelength meters. Burleigh and ILX are two which come to mind. Usually, 
> though, the wavelength of UV sources are pretty stable because they are 
> spectroscopically determined. What wavelength region are you working in 
> and what kind of intensities are you using? Check out Newport for 
> power meters with UV sensitive probes.
> 
> 
> 
> 
> Alex Basauri
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> Trimble Navigation LTD
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