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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

9mm Dia. x -9mm FL, NIR II Coated, Double-Concave Lens

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Stock #68-008 聯絡我們
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NT$1,435
Qty 1-9
NT$1,435
Qty 10+
NT$1,286
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Specifications

概況

Type:
Double-Concave Lens

物理和機械特性

Diameter (mm):
9.00 +0.0/-0.025
Center Thickness CT (mm):
2.25
Center Thickness Tolerance (mm):
±0.05
Centering (arcmin):
<3
Clear Aperture CA (mm):
8.10
Edge Thickness ET (mm):
3.48

光學特性

Effective Focal Length EFL (mm):
-9.00
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
f/#:
1.00
Numerical Aperture NA:
0.50
Coating:
NIR II (750-1550nm)
Wavelength Range (nm):
750 - 1550
Back Focal Length BFL (mm):
-9.61
Coating Specification:
Rabs ≤1.5% @ 750 - 800nm
Rabs ≤1.0% @ 800 - 1550nm
Ravg ≤0.7% @ 750 - 1550nm
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1.00
Radius R1=-R2 (mm):
-14.60
Surface Quality:
40-20
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
8 J/cm2 @ 1064nm, 10ns
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4

Regulatory Compliance

RoHS 2015:
Reach 219:
Certificate of Conformance:

產品概覽

雙凹 (DCV) 透鏡具有兩個向內彎曲的曲面以及負焦距。它們用於影像縮小及散射光線

Technical Information

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