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970nm Narrow Band Pass Filter

Categories Bandpass Interference Filter
Brand Name: Wuhan Siwer Optics
Place of Origin: Wuhan,China
MOQ: 2 pieces
Price: 2-30USD/piece
Payment Terms: T/T, Western Union
Supply Ability: 2000 pieces/month
Delivery Time: 1-3 weeks
Packaging Details: 1.Tissue paper. 2.Plastic foam packaging film. 3.Hard carton box with quakeproof filler
Material: N-K9L or other optical glass
Size tolerance: +/-0.1mm
Chamfer: less than 0.2mm
Surface quality: 40/20
Surface flatness: Lambda/2 in 25.4mm
Parallelism: 2 arc min
Size: φ19X0.7mm
Usage: Optical system
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    • Product Details
    • Company Profile

    970nm Narrow Band Pass Filter

    970nm narrow band pass filter

    Bandpass filters are widely used in wireless transmitters and receivers. The main function of such a filter in a transmitter is to limit the bandwidth of the output signal to the band allocated for the transmission. This prevents the transmitter from interfering with other stations. In a receiver, a bandpass filter allows signals within a selected range of frequencies to be heard or decoded, while preventing signals at unwanted frequencies from getting through. Signals at frequencies outside the band which the receiver is tuned at, can either saturate or damage the receiver.

    Additionally they can create unwanted mixing products that fall in band and interfere with the signal of interest. Wideband receivers are particularly susceptible to such interference. A bandpass filter also optimizes the signal-to-noise ratio and sensitivity of a receiver.
    In both transmitting and receiving applications, well-designed bandpass filters, having the optimum bandwidth for the mode and speed of communication being used, maximize the number of signal transmitters that can exist in a system, while minimizing the interference or competition among signals.


    This is the transmission curve


    We have filters in stock,here is the size and price.

    ItemSize(mm)Unit price(USD)
    850nm Narrow band pass filterΦ4.2*1.110
    Φ4.5*0.5510
    Φ6*210
    Φ8*0.554
    Φ8*1.14
    Φ10.4*15
    Φ14*110
    Φ15*1.110
    Φ17*0.714
    Φ20*0.5514
    Φ23*1.121
    Φ25*0.5514
    Φ27*1.226
    Φ29*1.726
    Φ34*151
    Φ37.5*1.226
    4.5*4.5*0.553
    6.2*6.2*0.53
    7*2*110
    8.2*8.2*0.554
    8.5*2*110
    10*10*0.555
    10*7.5*0.558
    14*14*1.18
    14*7*1.18
    16.9*16.9*121
    17*17*0.5521
    17.8*17.8*0.5521
    15.5*8*1.121
    23.5*15.6*1.121
    27*20*0.626
    30.5*23*0.626
    35*2*121
    37*8.2*0.5514
    57*9*1.821
    80*14*151
    86*86*0.55103
    8.2*8.2*17
    14*14*114
    ItemSize(mm)Unit price(USD)
    450nm narrow band pass filterΦ3.5*114
    Φ5*1.510
    Φ6.5*1.714
    Φ8*1.117
    Φ11.5*1.521
    Φ15*1.521
    Φ25*1.521
    Φ30*1.521
    Φ35*1.448
    Φ36*1.548
    Φ39*1.669
    Φ45*186
    Φ50*1.8103
    Φ51*1.5103
    10*5*1.6517
    14*14*1.121
    14*7.5*1.121
    14*8.1*1.121
    16.5*16.5*1.121
    18*18*1.721
    19.5*16.8*1.521
    30*5*1.121
    38*20*1.134
    39*23*2.248
    ItemSize(mm)Unit price(USD)
    625-665nm band pass filter4.8*2.6*110
    6*4.6*13
    5*5*1.210
    6.5*6.5*13
    9*9*13
    10*10*110
    6*6*13
    9*9*13
    16*16*1.714
    16.5*16.5*1.121
    25*14*1.121
    30*30*1.721
    Φ6*13
    Φ8*13
    Φ12*1.112
    Φ16*1.112
    Φ20*1.112
    Φ24*114
    Φ25*1.114
    Φ26*1.114
    Φ29*1.214
    Φ30*1.114
    Φ39*1.134

    We can also customize specific filters according to your requirements.

    We can also provide the filter holder. Here is the schematic diagram of our standard holder:





    Production Line

    What's the way of shipping?
    We accept DHL, Fedex, TNT, UPS, SF, EMS etc. If you have your own express account, it's great.


    How to pay?

    (1) T/T, PayPal, West Union,etc

    (2) Bank Fee: West Union-USD30.00(≤USD3000.00),

    T/T-USD20.00+, PayPal-5%. Please consult the local bank.


    What's the deliver time?
    For inventory: the delivery time is around 5 workdays.

    Customized products: the delivery time is 10 to 30 workdays. According to the quantity and precision.

    Can I customize the products based on my need?
    Yes, we can customize the material, specifications and optical coating for your optical components based on your needs. OEM is available.


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