Bandpass Filter (GK-BP Series)
description1
Specifications
Parameter |
Unit |
Type A |
Center Wavelength |
nm |
1064 |
CWL Tolerance |
nm |
± 1 ± 0.5 |
Filter Pass Band @ -0.5 dB |
nm |
2 8 |
Max. Insertion Loss over Pass Band |
dB |
0.8 0.8 |
Wavelength suppression @ (1020 - 1058 & 1070 - 1100 nm) for 2 nm |
dB |
25 N/A |
Wavelength suppression @ (1000 - 1054 & 1074 - 1100 nm) for 8 nm |
dB |
N/A 25 |
Min. Return Loss |
dB |
50 |
Max. Polarization Dependent Loss |
dB |
0.1 |
Thermal Stability |
dB/℃ |
≤ 0.005 |
Max. Optical Power (Continuous Wave) |
mW |
300 |
Max. Tensile Load |
N |
5 |
Fiber Type |
- |
HI 1060 Fiber |
Operating Temperature |
℃ |
- 5 to + 70 |
Storage Temperature |
℃ |
- 40 to + 85 |
IL is 0.5 dB higher, RL is 5 dB lower for each connector added. | ||
Package Dimensions
product description
Bandpass Filter is a micro optical device based on environmentally stable thin film filtering technology. The main purpose of this filter is to prevent unwanted noise signals in EDFAs (erbium-doped fiber amplifiers) and fiber laser systems. The key characteristics of bandpass filters include high isolation, low insertion loss, high return loss, excellent environmental stability, and high power processing capability.
High isolation: A bandpass filter can provide high isolation, which means it can effectively prevent the optical signal from propagating back in the fiber optic system, protect the light source from the interference of reflected light, and ensure the purity of the signal and system stability.
Low insertion loss: Low insertion loss is another important characteristic of bandpass filters, which ensures minimal loss of optical signals when passing through the filter. This is crucial for maintaining effective signal strength in fiber optic communication systems.
High return loss: High return loss means that the filter can minimize the light signal reflected back to the light source, which helps prevent signal interference and system instability.
Environmental stability: The design of bandpass filters enables them to maintain stable performance under different environmental conditions, which is crucial for maintaining system performance in variable environments.
High power processing capability: This type of filter is capable of processing high-power optical signals, which is crucial for applications such as high-power fiber laser systems and amplifiers.