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檢視所有 447 產品系列

TECHSPEC^®組件由愛特蒙特光學設計、指定或製造。進一步瞭解

25mm Dia., 4mm Thick, MgF₂ Coated λ/4 N-BK7 Window

Name: 25mm Dia., 4mm Thick, MgF 2 Coated λ/4 N-BK7 Window
Brand: TECHSPEC
SKU: 45-258
Price: NT$2,888

Stock #45-258 5-7 Days

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NT$2,888

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NT$2,310

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下載產品資料

Specifications
產品概覽
Technical Information
Accessories
相關產品
成像鏡頭選擇器
Frequently Purchased Together
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資源

Specifications

General

Type:

Protective Window

Physical & Mechanical Properties

Bevel:

Protective as needed

Clear Aperture (%):

Clear Aperture CA (mm):

22.50

Diameter (mm):

25.00 +0.0/-0.25

Thickness (mm):

4.00 ±0.20

Edges:

Fine Ground

Knoop Hardness (kg/mm²):

610

Parallelism (arcmin):

Poisson's Ratio:

0.206

Young's Modulus (GPa):

Optical Properties

Abbe Number (v_d):

64.17

Coating:

MgF₂ (400-700nm)

Coating Specification:

R_avg ≤1.75% @ 400 - 700nm

Index of Refraction (n_d):

1.516

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

N-BK7

Surface Flatness (P-V):

λ/4

Surface Quality:

60-40

Wavelength Range (nm):

400 - 700

10 J/cm² @ 532nm, 10ns

Material Properties

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

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

Reach 235:

Compliant

產品概覽

提供2mm 到 200mm尺寸的圓形和方形版本選項
7 種寬頻抗反射鍍膜選項
業內最齊全標準N-Bk7 窗鏡選項
另有超薄 N-BK7 窗鏡可供選擇

TECHSPEC^® λ/4 N-BK7 精密窗口片非常適用於工業與低功率雷射應用。藉由精密公差設計，可以最大程度減少光束畸變與散射。廣波段鍍膜選項可延伸這些精密窗口片在可見光與近紅外光譜內的有效工作範圍。TECHSPEC^® λ/4 N-BK7 精密窗口片提供2mm 到 200mm尺寸的圓形和方形版本選項。

注意：此產品系列的新增產品可能會指定透射波前畸變 (TWD) 規格，而不是表面平整度。有關這兩種規格之間差異的更多信息，請參閱我們的應用說明“了解光學窗口片”。

Technical Information

N-BK7
	Typical transmission of a 3mm thick, uncoated N-BK7 window across the UV - NIR spectra. Click Here to Download Data
	Typical transmission of a 3mm thick N-BK7 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 N-BK7 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 N-BK7 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 N-BK7 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 N-BK7 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 N-BK7 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 N-BK7 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