THzウインドウ・ミラー
光学製品
Tydex社では結晶・ポリマー材料のテラヘルツウインドウを提供しています。
また、テラヘルツ信号を反射させるミラーを取り扱っております。
代表的な〜1000μmの反射データは以下のとおりです。
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製品仕様
HRFZ-Si Windows
Material HRFZ-Si
Type plano-plano
Available sizes, mm to 150
Diameter or cross-cut tolerance,mm +0.0 /-0.1
Thickness tolerance, mm +/0.1
Clear apperture, % >=90
Parallelism, arc. min 3
Surface quality, scr/dig 60/40
Surface accuracy, mm +/-0.01 deviation from ideal plane
オプション : 非反射コーティング
THz Grade Crystal Quartz and THz Grade Saphhire Windows
Material THz grade crystal quartz (z-cut) and THz grade saphhire
Type plano-plano
Dimensions tolerance, mm ±0.1
Clear apperture, % >=90
Parallelism, arc. min 5
Surface quality, scr/dig 80/50
Surface accuracy, mm ±0.01 deviation from ideal plane
オプション : 非反射コーティング
Polymers TPX
Material TPX
Type plano-plano, wedged
(wedge is 6 mrad)
Available diameters, mm to 100
Dimensions tolerance,1mm + /-0.25
Clear apperture, % >=90
Surface quality, scr/dig 80/50 (two-sided polishing)
Surface roughness Rz 0.025
Surface accuracy, mm ±0.01 deviation from ideal plane
THz Mirrors
Material of substrate BK7
Type plano-plano
Dimensions tolerance,mm +/-025
Clear apperture, % >=90
Surface quality of polished surfaces, scr/dig 40/20
Surface quality of ground surface, Ra 2.5
Surface accuracy, λ@633nm 1/2
Coating protected gold
Thickness of gold layer, nm ~400