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Holeburning Holography in Eu3+:Y2SiO5 crystal
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Holeburning holography is an ultrahigh density image storage technique. Since the memory capacity is governed by the ratio of the inhomogeneous-to-homogeneous linewidths, 103~106 images can be recorded in a single sample spot. An extensive study on holebuming holography has been carried out by Wild et.al for organic dye-doped polymer samples1-4. On the other hand, holeburning holography has not been carried out for crystal samples, because there are few crystals exhibiting persistent holes. We have performed holeburning holography to record images for Eu3+:Y2SiO5 crystal which has been known for exhibiting persistent holes. Moreover, Eu3+:Y2SiO5 has other unique features5,6 such as narrow holewidth and high holeburning quantum efficiency. By using this crystal, we have also succeeded in real-time recording of a moving object.
Title: Holeburning Holography in Eu3+:Y2SiO5 crystal
Description:
Holeburning holography is an ultrahigh density image storage technique.
Since the memory capacity is governed by the ratio of the inhomogeneous-to-homogeneous linewidths, 103~106 images can be recorded in a single sample spot.
An extensive study on holebuming holography has been carried out by Wild et.
al for organic dye-doped polymer samples1-4.
On the other hand, holeburning holography has not been carried out for crystal samples, because there are few crystals exhibiting persistent holes.
We have performed holeburning holography to record images for Eu3+:Y2SiO5 crystal which has been known for exhibiting persistent holes.
Moreover, Eu3+:Y2SiO5 has other unique features5,6 such as narrow holewidth and high holeburning quantum efficiency.
By using this crystal, we have also succeeded in real-time recording of a moving object.
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