A few information for the users of the Holography Forum of Colin Kaminsky
(http://holographyforum.org/)
and for any holographer worldwide.
my e-mail: stylos(at)otenet.gr
Illuminating Transmission Holograms with LEDs
LED lights can be used to illuminate an image plane transmission hologram.
The band width of a LED is about 20-30 nm, so 10-15 times narrower than the entire visible spectrum (300 nm)
The depth of the following image is 8 cm.
| Photos
of a transmission type hologram (not a rainbow hologram), as seen when illuminated from behind with a LUXEON® LED |
Dimension of the hologram: 15 x 25
cm Dimension of the frame: 25 x 35 cm Depth of the image: 8 cm (4 cm in the front and 4 cm behind the holographic film) Material: Slavich PFG-03C Laser: Ar+, 514 nm |
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In a dim environment |
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In
a bright environment, framed |
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In
a bright environment (part if the previous photo) |
Diode Laser for Holography
This hologram is made with the diode laser of Analog Technologies.
(I wrote about it in http://holographyforum.org/phpBB2/viewtopic.php?t=643&highlight=paulos&sid=7e91caf735b978c10b8694aa072bae78 )
 |
Denisyuk
Hologram Dimension of the hologram: 15 x 25 cm. Depth of the image: 8 cm, behind the holographic film). Material: Slavich PFG-03C. Laser: Diode Laser from Analog Technologies, 639 nm, 30mW. Exposure: 900 mJ/cm2 Note: A badly focused, blurred photo. The hologram itself is very sharp |