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Re: Re: Would Water Surface Reflect IR?



Hmm ... not sure ...

the following may help, a little :

http://en.wikipedia.org/wiki/Infrared

Chris



On 30 Apr 2007, at 10:56, lexfordparc wrote:

> Hi Chris,
>
> The unit I have my eye on for the IR version of distance measuring is
> the Sharp GP2Y0A02YK:
>
> http://www.active-robots.com/products/sensors/sharp/gp2y0a02yk.pdf
>
> However, Karam also suggested it maybe possible to add some tubing on
> the end of the ultrasonic sensor to absorb the ultrasound emition and
> recpetion from the wall.
>
> Paul
>
> --- In ukha_d@xxxxxxx, Chris Hunter <cjhunter@...> wrote:
>>
>> There's IR & there's IR ... depends on frequency ... water
vapour
>> absorbs most IR ... not sure about liquid water ... 'would check
>> Wikipedia, etc ... but Google's not responding at the moment ... !
>>
>
>
>
>
>
>
>




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