HOLOGRAPHIC OPTICAL ELEMENT MANUFACTURING DEVICE AND HOLOGRAPHIC OPTICAL ELEMENT MANUFACTURING METHOD
To provide a holographic optical element manufacturing device capable of realizing a target function in the entire visible light region, and capable of being manufactured at low cost, and to provide its manufacturing method.SOLUTION: A holographic optical element manufacturing method includes: chang...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a holographic optical element manufacturing device capable of realizing a target function in the entire visible light region, and capable of being manufactured at low cost, and to provide its manufacturing method.SOLUTION: A holographic optical element manufacturing method includes: changing angles of a plane mirror 114 for reference light and a plane mirror 117 for signal light, to change a relative irradiation angle of signal parallel light 118 and cylindrical wave-like reference light 123 with respect to a recording medium 124, thereby making a plurality of interference fringes multiple-exposed onto the recording medium 124 while generating the plurality of interference fringes with different intervals.SELECTED DRAWING: Figure 1
【課題】可視光の全域において目的の機能を実現可能であり、且つ、低コストにて製造可能なホログラフィック光学素子製造装置及びその製造方法を提供する。【解決手段】参照光用平面ミラー１１４及び信号光用平面ミラー１１７の角度を変化させることにより、信号平行光１１８と円筒波様参照光１２３の記録媒体１２４に対する相対的な照射角度を変化させ、間隔の異なる複数の干渉縞を発生させつつ、当該複数の干渉縞を記録媒体１２４に多重露光させる。【選択図】図１ |
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