🔭 光学工具🔭 Optics Tools

← ToolBox / 光学工具Optics Tools

🔭 光学工具🔭 Optics Tools

共 21个免费在线工具

折射率计算器Refractive Index Speed折射率计算器是一款免费的在线光学工具，由光在介质中的速度求折射率。纯前端运行、数据不上传、无需注册，打开浏览器即可使用。适合工程估算、日常换算与快速复核，结果可一键复制。Compute the refractive index of a medium from the speed of light in it, n = c/v 组合透镜焦距计算器Combined Lens Focal组合透镜焦距计算器求密接双透镜的等效焦距 1/f=1/f₁+1/f₂，适合光学系统设计中多片透镜的焦距合成与换算。Get the equivalent focal length of two cemented thin lenses from 1/f = 1/f₁ + 1/f₂. For combining and converting focal… 单缝衍射暗纹计算器Single Slit Diffraction单缝衍射暗纹计算器求夫琅禾费单缝衍射第一暗纹角 a·sinθ=λ，适合物理实验、光学测量与衍射现象的定量分析。Find the first dark-fringe angle of Fraunhofer single-slit diffraction from a·sinθ = λ. For physics experiments, optica… 球面镜焦距计算器Focal Length Mirror球面镜焦距计算器依据 f=R/2 由曲率半径求凹/凸面镜焦距，适合几何光学、望远镜与反射镜设计的参数换算。Derive the focal length of a concave or convex mirror from its radius of curvature using f = R/2. For geometrical optic… 薄透镜成像公式计算器Thin Lens Equation薄透镜成像公式 1/f = 1/d_o + 1/d_iGet image distance from object distance and focal length using 1/f = 1/dₒ + 1/dᵢ, plus upright/inverted and real/virtua… 斯涅尔定律折射计算器Snells Law斯涅尔定律折射计算器由入射角与两侧折射率求折射角 n₁sinθ₁=n₂sinθ₂，并判断是否全反射，适合几何光学与光纤传输分析。Compute the refraction angle from incidence angle and the two refractive indices using n₁sinθ₁ = n₂sinθ₂, and detect to… 分离双透镜组合焦距计算器Separated Lenses Focal由两透镜焦距与间距求组合焦距Compute the equivalent focal length of two thin lenses with separation d. For compound lenses and telescope eyepiece gr… 布儒斯特角计算器Brewster Angle布儒斯特角计算器求反射光完全偏振时的入射角 θ=arctan(n₂/n₁)，适合光学薄膜、偏振片与反射消除等场景的参数确定。Find the incidence angle at which reflected light is completely polarized, θ = arctan(n₂/n₁). Useful for optical coatin… 透镜光焦度(屈光度)计算器Optical Power Diopter由焦距求透镜光焦度（屈光度）Convert focal length in metres to optical power in diopters using P = 1/f. For optometry, eyeglass prescription and uni… 瑞利分辨极限计算器Rayleigh Criterion瑞利分辨极限计算器求圆孔衍射的最小可分辨角 θ=1.22λ/D，适合望远镜、显微镜与相机镜头的分辨率极限评估。Find the minimum resolvable angle for circular-aperture diffraction, θ = 1.22λ/D. For evaluating the resolution limit o… 菲涅尔反射率计算器Fresnel Reflectance菲涅尔反射率计算器求正入射时界面反射的能量比例，由两介质折射率确定，适合增透膜、窗口与光纤端面的反射损耗估算。Compute the fraction of energy reflected at normal incidence from the refractive indices of two media. For anti-reflect… 球面镜成像公式计算器Mirror Equation球面镜成像公式 1/f = 1/d_o + 1/d_iEnter focal length and object distance to get image distance from 1/f = 1/dₒ + 1/dᵢ, plus orientation, real/virtual and… 光多普勒频移计算器Doppler Optical由源频率、相对速度与光速求观测频率Compute the observed frequency from source frequency, relative velocity and the speed of light, using the non-relativis… 放大镜角放大率计算器Angular Magnification由明视距离与焦距求简单放大镜角放大率Compute angular magnification from the near-point distance N (about 25 cm) and the focal length f of a simple magnifier… 棱镜最小偏向角计算器Prism Deviation由折射率与顶角求小角度棱镜偏向角Compute the deviation angle from prism refractive index n and apex angle A under the small-angle approximation. For dis… 马吕斯定律计算器Malus Law由起偏光强与偏振片夹角求透射光强Compute transmitted intensity from linearly polarized incident intensity I₀ and the analyzer angle θ. For polarizers, L… 光学放大率计算器Magnification Optics光学放大率计算器求横向放大率 m=−dᵢ/dₒ（负号表示倒立），适合几何光学成像、显微镜与投影系统的像放大分析。Compute transverse magnification m = −dᵢ/dₒ, where the minus sign denotes an inverted image. For geometrical optics ima… 分辨本领计算器Resolving Power由孔径与波长求圆形孔径分辨本领Compute resolving power and limiting resolution angle from circular aperture diameter D and wavelength λ in nanometres.… 杨氏双缝条纹间距计算器Young Fringe由波长、屏距与缝距求条纹间距Compute the spacing between adjacent bright (or dark) fringes from wavelength λ in nanometres, screen distance L in met… 2nt = (m+½)λ（垂直入射）2nt = ( m +½)λ输入薄膜折射率 n、厚度 t（纳米）与干涉级次 m，按 2nt=(m+½)λ 计算垂直入射时产生相消干涉的波长，用于镀膜与增透设计。Compute the wavelength that interferes destructively at normal incidence from film index n, thickness t in nanometres a… 2nt = mλ（垂直入射）2nt = m λ由膜厚、折射率与级次求相长波长Compute the wavelength that interferes constructively at normal incidence from film index n, thickness t in nanometres…
📖关于「光学工具」About Optics Tools▼

📝栏目简介

光学工具集合收录了 21 个免费在线工具，覆盖光学场景下的常见计算、换算与查询需求。无论你是相关领域的从业者、学生还是普通用户，都能在这里找到即用即走的实用小工具。所有工具纯前端运行，数据不上传服务器，保护隐私安全。This collection gathers 21 free online Optics tools for everyday calculations, conversions and lookups. Whether you are a professional, a student or a casual user, you will find handy tools you can use right away. Everything runs client-side — no data is uploaded.

✨核心功能与适用场景

本页收录的光学工具包括（部分代表工具）：Featured Optics tools on this page include:

  • 折射率计算器Refractive Index Speed
  • 组合透镜焦距计算器Combined Lens Focal
  • 单缝衍射暗纹计算器Single Slit Diffraction
  • 薄透镜成像公式计算器Thin Lens Equation
  • 斯涅尔定律折射计算器Snells Law
  • 分离双透镜组合焦距计算器Separated Lenses Focal
  • 布儒斯特角计算器Brewster Angle
  • 透镜光焦度(屈光度)计算器Optical Power Diopter
  • 瑞利分辨极限计算器Rayleigh Criterion
  • 菲涅尔反射率计算器Fresnel Reflectance
  • 光多普勒频移计算器Doppler Optical
  • 放大镜角放大率计算器Angular Magnification
  • 棱镜最小偏向角计算器Prism Deviation
  • 马吕斯定律计算器Malus Law
  • 光学放大率计算器Magnification Optics
  • 杨氏双缝条纹间距计算器Young Fringe
  • 2nt = (m+½)λ（垂直入射）2nt = ( m +½)λ
  • 2nt = mλ（垂直入射）2nt = m λ

这些工具帮助你快速完成光学相关的常见任务，无需记忆复杂公式或手动换算，输入即可得结果。These tools help you complete Optics tasks quickly — no formulas to memorise and no manual conversion, just enter your values and get the result.

❓常见问题

光学分类下的工具需要下载或注册吗？Do Optics tools require any download or sign-up?

不需要。本页 21 个光学工具（如折射率计算器、组合透镜焦距计算器、单缝衍射暗纹计算器、薄透镜成像公式计算器、斯涅尔定律折射计算器、分离双透镜组合焦距计算器）都是纯前端页面，打开网页即可使用，无需安装软件、无需注册账号；输入的数据只在你的浏览器内处理，不会上传服务器。No. The 21 Optics tools on this page (including Refractive Index Speed, Combined Lens Focal, Single Slit Diffraction, Thin Lens Equation, Snells Law, Separated Lenses Focal) are pure front-end pages: just open them and start using. No software to install, no account needed, and anything you enter is processed inside your browser — never uploaded.

光学工具的结果能直接用于医疗、法律或财务决策吗？Can the results be used directly for medical, legal or financial decisions?

不能直接作为决策依据。本页工具多为通用计算、换算与查询，结果仅供日常参考；涉及诊断、诉讼、投资、工程验收等专业场景，请以权威标准、原始仪器读数或持证专业人士的结论为准。所有运算都在本地完成，数据不上传。No — treat them as everyday references only. Most tools here are general-purpose calculators, converters and lookups; for diagnosis, litigation, investment or engineering acceptance, rely on authoritative standards, raw instrument readings or a licensed professional. Everything is computed locally and nothing is uploaded.