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    LP1400 롱패스 필터(T>85%@1420-1750nm, OD4@200-1380nm)

    LP1400 롱패스 필터(T>85%@1420-1750nm, OD4@200-1380nm)

    $50.00 USD
    $50.00 USD
    할인 품절
    배송료는 결제 시 계산됩니다.
    컷온 파장
    전송 // 차단
    차원

    In Stock.

    Ships within 5 working days of order.
    • 파장: LP1400 장파장 통과 필터는 1420~1750nm의 SWIR(단파 적외선) 응용 분야에 최적화되어 있습니다.
    • 분광 특성: 1400nm에서 날카로운 차단 특성을 보이며 1420nm 이상에서 85% 이상의 투과율을 제공하여 안정적인 신호 선명도를 보장합니다.
    • 광학 밀도: 200~1380nm 범위에서 OD4 차단 기능으로 더 짧은 파장의 빛을 효과적으로 차단합니다.
    • 필터 크기: 다양한 크기를 제공합니다. 맞춤형 크기 및 장착 옵션에 대해서는 당사에 문의하십시오.

    전송 및 OD 데이터

    You can request the raw transmission data from us.

    Copy the link of the product page and send email to shop@syronoptics.com, you will get reply within 1 working days.

    배송 및 배달

    • Stocked products ship within 5 business days after order confirmation.
    • Custom-made products typically ship within 4–8 weeks.
    • Delivery times may be affected by holidays, customs clearance, or other unforeseen events.
    • Tracking information becomes available 3–5 days after dispatch when the parcel is handed to the local courier.
    • Some deliveries may require customer pickup. Please ensure your contact information is correct and respond promptly to courier communications.
    • General international parcel shipping cost: USD 35 (for reference).

    반품 및 환불

    1. Eligible Products

    Stocked (catalog) products with a unit price under USD 500 are eligible for return within 14 days after delivery.

    Custom-made or non-stock items are not eligible for no-reason returns.

    2. No-Reason Return (Buyer’s Remorse)

    If you wish to return an item for reasons other than product defect or seller error:

    • Please email shop@syronoptics.com to request a return authorization and return address.
    • Buyer is responsible for all return shipping costs.
    • Items must be unused, in original condition, and with original packaging.
    • Refund will be issued after inspection of the returned item.

    3. Seller’s Fault (Defective / Wrong / Damaged Item)

    If the return is due to seller error (defective product, wrong item shipped, or damage during shipping):

    Please provide clear evidence (photos or videos) showing the issue.

    We will evaluate the case and either:

    • Provide a replacement, or
      Issue a refund (with or without requiring the item to be returned).
    • Return shipping cost will be covered by the seller in confirmed seller-fault cases.

    4. Important Notes

    • Returned items are subject to inspection before refund approval.
    • Shipping fees, customs duties, and taxes are non-refundable unless the return is due to seller fault.
    • Unauthorized returns will not be accepted.

    지불 통지

    Payments can be made online using Credit Card, Apple Pay, Google Pay, WeChat Pay, and Alipay.

    If you prefer to pay by bank transfer, please contact shop@syronoptics.com to request an invoice with our banking details.

    If you require deferred payment terms, you may request NET 7 or NET 30 at the time of placing your order.

    All requests for deferred payment are subject to approval and will be confirmed by SyronOptics via email.

    사용자 정의 크기

    Custom sizing is available from 3 × 3 mm (or Ø5 mm) up to 60 × 60 mm. For custom cut sizes, please contact shop@syronoptics.com for a quotation.

    Pricing is not significantly lower for small-size orders in low quantities due to operational costs.

    전체 세부 정보 보기
    • LP1400 Longpass Filter - Silicon Wafer Inspection

      LP1400 Longpass Filter - Silicon Wafer Inspection

      Silicon Wafer Inspection

      • The Physics: Pure silicon becomes transparent to light at wavelengths longer than ~1150nm.
      • The Application: While a standard 1200nm filter works, this 1400nm filter pushes further into the SWIR range, often providing better contrast for specific dopants or backside alignment marks while completely blocking any ambient visible/NIR light that might cause noise.

      Recommended Light Sources

      • Broadband Tungsten-Halogen Lamp: This source emits a continuous, high-intensity spectrum covering the entire 1420–1750nm passband, ensuring maximum signal throughput for the InGaAs sensor and allowing the system to fully utilize the high-transparency window of silicon for detecting internal defects or dopant variations.
    • LP1400 Longpass Filter - Laser Beam Cleanup & Eye-Safe Systems

      LP1400 Longpass Filter - Laser Beam Cleanup & Eye-Safe Systems

      Laser Beam Cleanup & Eye-Safe Systems

      • The Physics: The 1550nm wavelength is the standard for "eye-safe" laser rangefinding and telecommunications.
      • The Application:LIDAR/Rangefinding: It blocks interference from sunlight (visible/NIR) and other laser sources (like 905nm or 1064nm lasers) while letting the 1550nm signal pass.Telecom: Used in free-space optics to filter out pump diode noise (often 980nm) while passing the C-band and L-band signals (1530–1625nm).

      Recommended Light Sources

      • 1550nm Fiber Laser or C/L-Band Laser Diode: These sources emit specifically within the filter’s high-transmission window (1530–1625nm), allowing for high-power "eye-safe" operation (critical for long-range LIDAR) while the filter effectively strips away residual 980nm pump light or blocks environmental noise (like sunlight and shorter-wavelength lasers) at the receiver.

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