 Infrared photography uses a special and unique type of film that sees infrared wavelengths of light. Infrared wavelengths lighten greens and reds and darkens blues in images. Film infrared also is typical of having more grain. Lastly, infrared images tend to take on a ghostly, pale and nostalgic feel to them. Images that are landscapes and have lots of foliage tend to work better for this effect.
Here you can see the before and after images from this technique.
 We recommend you using an image that has a "fine art" feel. We chose the image jacaranda tree in maui hawaii
 Step 1.
Duplicate your background layer and title it "Infrared"
 Step 2:
Select the Green channel under your Channels palette.
This will temporally turn your image to black and white.
 Step 3:
With the green channel selected, Go to Filter > select Blur > Gaussian Blur
Slide the Radius bar to around 4.0 to 4.5.
 Step 4:
Change the Infrared Layer to Screen mode by selecting screen from the drop down menu under the layers tab.
This gives the image a ghostly effect.
 Step 5:
We need to the Channel Mixer at this point. Select New Adjustment Layer under Layers then chose Channel Mixer.
These settings worked well with this image, don't be afraid to play around with the Percentages. Be sure to check the monochrome box at the bottom left.
 Step 6:
Select a new layer and title it "Grain"
Hit "D" to restore your foreground and background colors. With the "Grain" layer selected, Hit Ctrl+Backspace (PC) or Command+Delete (Mac) to fill this layer with white. This will hide your image.
 Now go to the Filter Menu > Select Noise > Add Noise
These settings tend to work best.
 Step 7:
Under the "Grain" Layer change the Layer options to Multiply.
If you feel that this is to much grain you can adjust the opacity of the layer.
Flatten your image and your done!!
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