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Category
    Dimensions (mm)
    Diameter (mm)
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    Cut-On Wavelength (nm)
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    Cut-Off Wavelength (nm)
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    Optical Density OD
    Coating
    Color
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    Rejection Wavelength (nm)
    Transmission Wavelength (nm)

    Longpass Edge and Dichroic Filters

    Longpass Edge and Dichroic Filters are designed to transmit wavelengths greater than the cut-on wavelength of the filter. Longpass Edge and Dichroic Filters are commonly used to isolate portions of the spectrum in a variety of industrial or life sciences applications including microscopy or fluorescence instrumentation. Longpass Filters are typically designed for a 0° Angle of Incidence, whereas Longpass Dichroic Filters are designed for use at a 45° Angle of Incidence. Longpass Edge and Dichroic Filters can be used with Shortpass Edge and Dichroic Filters to create custom bandpass filters. Certain Longpass Edge Filters can also be used as cold mirrors to minimize the heat buildup often caused by infrared radiation.

    Edmund Optics offers a wide variety of Longpass Edge and Dichroic Filters for performance in the ultraviolet, visible, or infrared wavelengths. Longpass Edge and Dichroic Filters are available in a range of optical densities. Higher optical densities offer increased blocking capability. TECHSPEC High Performance OD 4 Longpass Filters offer high blocking with superior transmission. TECHSPEC Dichroic Longpass Filters feature hard coatings for increased durability, while offering high performance for use in fluorescence applications or as spectral beamsplitters. Longpass Edge Filter kits containing some of Edmund Optics’ most popular Longpass Edge Filters are also available.

    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    高效能od 4.0高通濾光片
    • 穿透斜率小於1%
    • 阻隔光學密度不低於4.0
    • 通過頻寬的穿透率不低於91%
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    OD 4 高效能低通與高通濾光片套件
    • 具有精確的穿透波長與截止波長
    • 具有OD 4低通或OD 4高通規格
    • 非常適用於實驗室整合
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    OD 2 高通濾光片
    • 明確的穿透波長
    • 高效的阻隔/穿透
    • Precision Fused Silica Substrate
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    OD 2 Longpass Filter Kits
    • Sharp Cut-on Wavelength
    • High Rejection / Transmission Efficiency
    • Multiple Diameters Available
    • Shortpass Filter Kits Also Available
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    二向色高通濾光片
    • 非常適用於螢光或多光譜成像
    • 明確的穿透波長
    • 穿透與反射範圍大
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    高效能螢光二向色濾光片
    • 更優質的平整度、穿透波前及表面品質
    • 適用於螢光顯微鏡或高放大倍率成像應用
    • 最受青睞的螢光及二向色高通濾光片穿透波長
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    螢光二向色濾光片
    • 非常適用於螢光或多光譜成像
    • 反射範圍與穿透範圍之間的過渡斜率非常陡峭
    • 反射與穿透範圍更大
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    二向色雷射光束混合器
    • 對偏振不敏感
    • 硬質濺鍍鍍膜
    • 提供多種尺寸
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
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    Nd:YAG 諧波分離器
    • 用於分離 Nd:YAG 諧波波長
    • 分光鏡鍍膜提供 95% 以上的穿透效果
    • λ/10 熔融石英基材

    紅外線 (IR) 高通濾光片
    • 在矽或鍺基材上進行塗敷
    • 非常適用於隔離廣泛的光譜區域
    • 採用耐用的正面鍍膜

    高通玻璃彩色濾光片
    • 提供紫外線、可見光與紅外線通過系列
    • 可見光可用於彩色帶通濾光片
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    超薄高通濾光片
    • 超薄,柔性基材
    • 起始波長斜率高
    • 新型薄膜,不易產生刮痕
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    短波紅外高通濾光片
    • 阻隔可見光波長
    • 是機器視覺應用的理想選擇
    • 可用作冷反射鏡
    • Additional Longpass Edge Filters Available
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    高效能冷反射鏡
    • 在400 - 690nm範圍內的反射率大於95%
    • >90% Transmission from 700 - 1150nm
    • Optimized for 0° or 45° Angle of Incidence

    線性可變濾光片
    • Use in Pairs to Create High Efficiency Custom Bandpass Filters
    • Optimum Input Beam Diameter of 0.2 x 8.0mm
    • OD3 Blocking
    • Linear Variable Bandpass Filters Also Available

    Optical Cast Infrared (IR) Longpass Filters
    • Lightweight Plastic
    • Excellent Thermal and Chemical Resistance

    紫外高通濾光片
    • 適用於紫外線應用
    • 搭配使用高通及帶通濾光片
    • 供應各種尺寸

    Flexible Thin Film UV Filters
    • 幾乎透明的彈性聚酯濾光片
    • 深染 PET 基材用於吸收紫外線
    • 390nm 以下的穿透率低於 10%
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    Multi-Edge Fluorescence Dichroic Filters
    • Multiple Cut-On Wavelengths On a Single Filter
    • High Peak Transmission, Excellent Blocking
    • Ideal for Simultaneous Viewing of Multiple Fluorophores
    • For Optimal Performance Pair with Multi-Band Fluorescence Bandpass Filters

    Cold Mirrors
    • 0° and 45° Angle of Incidence Options Available
    • Reflects 90% of Visible Light
    • Transmits 80% of the NIR and IR
    TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

    Raman高通邊緣濾光片
    • 高穿透能力,可用於偵測微弱的訊號
    • 深截止能力,可實現最大程度的雷射阻隔
    • 非常適用於Raman光譜儀或生命科學檢測設備

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