Name: 20mm Diameter VIS-NIR Coated, Ultra Thin Fused Silica Window
Brand: TECHSPEC
SKU: 24-244
Price: NT$5,775

20mm Diameter VIS-NIR Coated, Ultra Thin Fused Silica Window

Stock #24-244 New 5-7 Days

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NT$5,775

Qty 1-5
NT$5,775

Qty 6+
NT$4,620

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比較

下載產品資料

Abbe Number (v_d):

64.17

Bevel:

Protective as needed

Clear Aperture CA (mm):

18.00

Diameter (mm):

20.00 +0.00/-0.10

Thickness (mm):

0.20 ±0.025

Coating:

VIS-NIR (400-1000nm)

Coating Specification:

Rabs ≤0.25% @ 880nm Ravg ≤1.25% @ 400 - 870nm Ravg ≤1.25% @ 890 - 1000nm

Coefficient of Thermal Expansion CTE (10^-6/°C):

0.52 (+5 to +35°C)
0.57 (0 to +200°C)
0.48 (-100 to +200°C)

Density (g/cm³):

2.20

Edges:

Fine Ground

Index of Refraction n_d:

1.458

Knoop Hardness (kg/mm²):

522

Parallelism (arcsec):

Poisson's Ratio:

0.16

Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More

Fused Silica (Corning 7980)

Surface Quality:

60-40

Transmitted Wavefront, P-V:

λ/2

Type:

Protective Window

Wavelength Range (nm):

400 - 1000

Young's Modulus (GPa):

5 J/cm2 @ 532nm, 10ns

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 235:

Compliant

產品系列說明

0.20mm 超薄厚度
採用紫外熔融石英基材
重量極輕

TECHSPEC® 超薄熔融石英窗鏡具有熔融石英玻璃的優點，包括熱膨脹率低、耐化學腐蝕性強和紫外波段穿透率高，而厚度卻不到標準熔融石英窗鏡的 1/5。與傳統的保護玻璃不同，這些窗鏡的表面經過拋光處理，可提供一致的穿透波前畸變，因此非常適合 OEM 應用。超薄設計非常適合對重量和尺寸敏感的應用，尤其是需要從紫外到近紅外寬頻傳輸的應用。TECHSPEC 超薄熔融石英窗鏡是掌上型醫療設備、可穿戴技術以及攜帶式紫外燈源的理想選擇。

技術資訊

FUSED SILICA
	Typical transmission of a 3mm thick, uncoated fused silica window across the UV - NIR spectra. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with MgF2 (400-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg ≤ 1.75% @ 400 - 700nm (N-BK7) Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with UV-AR (250-425nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 1.0% @ 250 - 425nm R_avg ≤ 0.75% @ 250 - 425nm R_avg ≤ 0.5% @ 370 - 420nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with UV-VIS (250-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 1.0% @ 350 - 450nm R_avg ≤ 1.5% @ 250 - 700nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with VIS-EXT (350-700nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg≤ 0.5% @ 350 - 700nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with VIS-NIR (400-1000nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs≤ 0.25% @ 880nm R_avg≤ 1.25% @ 400 - 870nm R_avg≤ 1.25% @ 890 - 1000nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with VIS 0° (425-675nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg≤ 0.4% @ 425 - 675nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with YAG-BBAR (500-1100nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 0.25% @ 532nm R_abs ≤ 0.25% @ 1064nm R_avg≤ 1.0% @ 500 - 1100nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with NIR I (600 - 1050nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_avg≤ 0.5% @ 600 - 1050nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data
	Typical transmission of a 3mm thick fused silica window with NIR II (750 - 1550nm) coating at 0° AOI. The blue shaded region indicates the coating design wavelengh range, with the following specification: R_abs ≤ 1.5% @ 750 - 800nm R_abs ≤ 1.0% @ 800 - 1550nm R_avg≤ 0.7% @ 750 - 1550nm Data outside this range is not guaranteed and is for reference only. Click Here to Download Data