🔭 光学工具

🔆 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。Magnification Optics - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 光栅衍射角计算器Diffraction Grating 光栅衍射角计算器由光栅常数与波长求第 m 级衍射角，依据 d·sinθ=mλ，适合光谱仪、波长测量与物理实验的衍射分析。Diffraction Grating - compare online, free and clear. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 全反射临界角计算器Critical Angle 输入两种介质的折射率，按 sin θc = n₂/n₁ 计算光从光密到光疏介质发生全反射的临界角。用于光纤、棱镜与全反射原理演示。Critical Angle - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 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。Single Slit Diffraction - compare online, free and clear. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics ... 🔆 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。Brewster Angle - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 折射率计算器Refractive Index 折射率计算器由光在介质中的速度 v 与真空中 c 求折射率 n=c/v，适合光学材料表征、光速测量与介质识别。Refractive Index - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 数值孔径分辨率计算器Numerical Aperture 数值孔径分辨率计算器由 NA 求显微镜最小可分辨距离 d=0.61λ/NA，适合显微观察、物镜选型与成像分辨率评估。Numerical Aperture - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 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。Snells Law - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 球面镜成像公式 1/f = 1/d_o + 1/d_iMirror Equation 输入凹/凸面镜焦距、物距，按 1/f = 1/d_o + 1/d_i 计算像距并判断成像正倒、虚实、大小。用于中学物理与光学成像练习。Mirror Equation - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 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。Rayleigh Criterion - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🥞 由两透镜焦距与间距求组合焦距Separated Lenses Focal 输入两薄透镜焦距 f₁、f₂ 与间距 d，按 1/F = 1/f₁ + 1/f₂ − d/(f₁f₂) 计算组合系统等效焦距。用于组合镜头、望远镜目镜组设计。Separated Lenses Focal - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🎯 由孔径与波长求圆形孔径分辨本领Resolving Power 输入圆形孔径直径 D 与光波长 λ（纳米），按 R = D / (1.22·λ) 计算分辨本领与极限分辨角。用于望远镜、显微镜与相机分辨率评估。Resolving Power - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔺 由折射率与顶角求小角度棱镜偏向角Prism Deviation 输入棱镜材料折射率 n 与顶角 A（小角度近似），按 δ ≈ (n − 1)·A 计算光线偏向角。用于色散棱镜、分光元件的偏折估算。Prism Deviation - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔍 由明视距离与焦距求简单放大镜角放大率Angular Magnification 输入明视距离 N（约 25 cm）与简单放大镜焦距 f，按 M = N / f 计算角放大率。用于放大镜、放大镜组的光学放大能力估算。Angular Magnification - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. ⭕ 由曲率半径求球面镜焦距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。Focal Length Mirror - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. ↔️ 由波长、屏距与缝距求条纹间距Young Fringe 输入光波波长 λ（纳米）、屏距 L（米）与双缝间距 d（毫米），按 Δy=λL/d 计算杨氏双缝干涉相邻明（暗）条纹的间距，用于物理实验。Young Fringe - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 📈 由源频率、相对速度与光速求观测频率Doppler Optical 输入源频率 f、相对速度 v 与光速 c，求观测频率（近似非相对论）。Doppler Optical - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 📷 由焦距与入瞳直径求光圈数F Number 输入镜头焦距 f 与入瞳直径 D，按 N = f/D 计算光圈数（F 值）。用于相机镜头、望远镜的光圈与进光量计算。F Number - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. ⚡ 由焦距求透镜光焦度（屈光度）Optical Power Diopter 透镜光焦度计算器依据 P=1/f（f 以米计）将焦距换算为屈光度（D），适合验光配镜与光学系统的光焦度统一。Optical Power Diopter - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔭 由物镜与目镜焦距求望远镜放大率Telescope Magnification Calculator - Telescope Magnification : Input f_o , f_e , Output M 输入望远镜物镜焦距 f_o 与目镜焦距 f_e，按 M = f_o / f_e 计算角放大率。用于天文/观景望远镜的倍率设计与选配。Telescope Magnification Calculator - Telescope Magnification : Input f_o , f_e , Output M - free online tool. 〰️ 由膜厚、折射率与级次求相消波长Thin Film Min 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。Thin Film Min - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 〰️ 由膜厚、折射率与级次求相长波长Thin Film Max 输入薄膜折射率 n、厚度 t（纳米）与干涉级次 m，按 2nt=mλ 计算垂直入射时产生相长干涉的波长，用于薄膜光学与反射增强分析。Thin Film Max - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. ☀️ 由起偏光强与偏振片夹角求透射光强Malus Law 输入线偏振入射光强 I₀ 与检偏器夹角 θ，按马吕斯定律 I = I₀·cos²θ 计算透射光强。用于偏振片、液晶显示与光学实验分析。Malus Law - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔬 由镜筒长、明视距离与两焦距求总放大率Microscope Magnification 输入光学筒长 L、明视距离 N、物镜焦距 f_o、目镜焦距 f_e，求总放大率。Microscope Magnification - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 磨镜者公式计算器Lens Maker 磨镜者公式计算器依据曲率半径与折射率求薄透镜焦距 1/f=(n−1)(1/R₁−1/R₂)，适合透镜设计与光学加工的参数确定。Lens Maker - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 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。Combined Lens Focal - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 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。Fresnel Reflectance - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools. 🔆 薄透镜成像公式 1/f = 1/d_o + 1/d_iThin Lens Equation 薄透镜成像公式计算器依据 1/f=1/dₒ+1/dᵢ 由物距与焦距求像距，并判断正倒立与虚实，适合几何光学成像习题与镜头设计。Thin Lens Equation - free online tool. Free online tool on ToolBox — 100% client-side, no data uploaded, no install. Part of the Optics tools.