Name: 25mm Dia 0.50 NA, 532nm V-Coat, Aspheric Lens
Brand: TECHSPEC
SKU: 33-015
Price: NT$17,160

25mm Dia 0.50 NA, 532nm V-Coat, Aspheric Lens

Diameter (mm):

25.00 +0.0/-0.1

Effective Focal Length EFL (mm):

25.00 @ 587.6nm

Numerical Aperture NA:

0.50

Back Focal Length BFL (mm):

18.32

Center Thickness CT (mm):

9.75 ±0.1

Coating:

Laser V-Coat (532nm)

Coating Specification:

R_abs <0.25% @ 532nm

Fused Silica (Corning 7980)

Clear Aperture CA (mm):

22.5

Asphere Figure Error (μm RMS):

0.75

Surface Quality:

60-40

Edge Thickness ET (mm):

1.75

Centering (arcmin):

≤5

Bevel:

Protective bevel as needed

f/#:

1.00

Design Wavelength DWL (nm):

532

Shape of Back Surface:

Plano

Damage Threshold, Pulsed:

10 J/cm² @ 532nm, 20ns, 20Hz

Conjugate Distance:

Infinite

Focal Length Specification Wavelength (nm):

587.6

Regulatory Compliance

RoHS 2015:

Compliant

Reach 219:

Compliant

產品系列說明

專為 Nd:YAG 雷射波長而設計
在設計波長範圍內的反射率小於0.25%
紫外線熔融石英(fused silica)基材

TECHSPEC® 雷射光鍍膜精密非球面透鏡專為最大限度提高高功率Nd:YAG雷射應用中的效能而設計。極為精密的非球面設計可最大限度減小球面像差，以減小雷射光斑並維持單位面積的高功率。此外，TECHSPEC 雷射光鍍膜精密非球面透鏡具備高效能的鍍膜(已針對多數常用Nd:YAG雷射波長進行最佳化)、高損傷閾值以及紫外線熔融石英(fused silica)基材(對熱膨脹有很高的抵抗力)。