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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

25mm Dia +1.00λ Aberration, Spherical Aberration Plate

Spherical Aberration Compensation Plates

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Stock #66-759 5-7 Days
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NT$19,250
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NT$19,250
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下載產品資料
Aberration:
+1.00λ ±λ/16 @ 587nm
Abbe Number (vd):
64.17
Bevel:
Protective as needed
Clear Aperture (%):
>85
Clear Aperture CA (mm):
21.25
Diameter (mm):
25.00 +0.00/-0.25
Thickness (mm):
4.00 ±0.20
Coating:
Uncoated
Coefficient of Thermal Expansion CTE (10-6/°C):
7.1 (-30 to +70°C)
8.3 (+20 to +300°C)
Density (g/cm3):
2.51
Edges:
Fine Ground
Index of Refraction nd:
1.516
Knoop Hardness (kg/mm2):
610
Parallelism (arcmin):
<1
Poisson's Ratio:
0.206
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
60-40
Type:
Specialty Window
Wavelength Range (nm):
350 - 2200
Young's Modulus (GPa):
82

Regulatory Compliance

RoHS:
Certificate of Conformance:

產品系列說明

  • 精密的N-BK7基材
  • 已針對用於具有小視場的平行光執行最佳化
  • 穿透波前精度可達λ/16

許多光學系統都會出現某種程度的球面像差,球面像差會導致影像品質與整體系統效能受損。而TECHSPEC®球差校正板可在設計波長下補償校正球差。應將這些球面像差補償平板垂直放置,並放置在瞳孔附近。在具有小視場的系統中,這些平板具有出色的球面像差校正能力。

可以合併使用多個球面像差補償平板,以產生所需程度的補償性球面像差。負號平板可產生校正過度的球面像差。正號平板可產生校正不足的球面像差。

Note: The arrow on the spherical aberration compensation plates points in the direction of light travel.

 
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