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全像光柵

Reflective Holographic Gratings

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  • Groove Density up to 3600 Grooves per mm
  • Bare Aluminum Coating
  • Sinusoidal Grating Profile
  • Available Wavelength Range of 250 - 1500nm

全像光柵由兩個雷射光束 (其­駐波圖案在塗有光阻劑的拋光基材上曝光) 的干涉形成條紋。對曝光介質進行處理會產生直線 (具有正弦橫斷面) 圖案。

全像光柵產生的雜散光少於直紋光柵。此外,產生的全像光柵可在每公釐內具有最多3600個溝槽,以取得更高的理論分辨能力。由於全像光柵具有正弦橫斷面,因此不容易產生閃耀,其效率通常遠低於同類的直紋光柵。但是,應注意存在的特殊例外狀況,若溝槽間距與波長的比率接近一,則全像光柵的效率與直紋光柵幾乎相同。此外,每公釐具有1800個溝槽的全像光柵在500nm處的效率與閃耀的直紋光柵相同。全像母光柵的複製流程與直紋光柵所用的流程完全相同。

Handling Gratings: Gratings require special handling, making them prone to fingerprints and aerosols. Gratings should only be handled by the edges. Before attempting to clean a grating, please contact us.

一般規格

Construction:
Holographic Grating
Alignment of Grooves to Edge (°):
±0.5
Coating:
Bare Aluminum
Substrate:
Float Glass

產品

 Groove Density (grooves/mm)   Wavelength   Wavelength Range (nm)   Dimensions (mm)   比較   庫存號碼   價格  Buy
1200 VIS 400 - 700 12.5 x 25.0
1800 UV 250 - 400 12.5 x 25.0
1800 VIS 400 - 700 12.5 x 25.0
2400 VIS 400 - 700 12.5 x 25.0
3600 UV 250 - 400 12.5 x 25.0
1200 UV 250 - 400 12.7 x 12.7
1200 VIS 400 - 700 12.7 x 12.7
1800 UV 250 - 400 12.7 x 12.7
1800 VIS 400 - 700 12.7 x 12.7
2400 UV 250 - 400 12.7 x 12.7
2400 VIS 400 - 700 12.7 x 12.7
3600 UV 250 - 400 12.7 x 12.7
2400 VIS 400 - 700 25.0 x 25.0
1800 VIS 400 - 700 25.0 x 25.0
1800 UV 250 - 400 25.0 x 25.0
1200 VIS 400 - 700 25.0 x 25.0
3600 UV 250 - 400 25.0 x 25.0
1200 VIS 400 - 700 30.0 x 30.0
1800 VIS 400 - 700 30.0 x 30.0
2400 VIS 400 - 700 30.0 x 30.0
1200 UV 250 - 400 50.0 x 50.0
1200 VIS 400 - 700 50.0 x 50.0
1800 UV 250 - 400 50.0 x 50.0
1800 VIS 400 - 700 50.0 x 50.0
2400 VIS 400 - 700 50.0 x 50.0
1200 UV 250 - 400 25.0 x 25.0
1800 UV 250 - 400 30.0 x 30.0
2400 UV 250 - 400 25.0 x 25.0
2400 UV 250 - 400 30.0 x 30.0
3600 UV 250 - 400 50.0 x 50.0

Technical Information

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