Terahertz, symbolized as THz, is a unit of frequency equivalent to one trillion cycles per second, or 1,000,000,000,000 Hz. In the electromagnetic spectrum, terahertz waves occupy the fascinating territory between microwaves and infrared light. This region, often referred to as the “terahertz gap,” has long captivated scientists because of its potential in numerous applications, including advanced imaging techniques, security screening, and even the detection of defects in materials.
Remarkably, terahertz radiation is non-ionizing, meaning it is much safer for biological tissues compared to X-rays. This capability opens doors to potentially revolutionary medical imaging and diagnostics opportunities without the risk of harmful radiation exposure. As researchers continue to explore this “hidden power,” the future holds exciting prospects for terahertz technology across a multitude of fields.
Gigahertz (GHz) is a unit of frequency equivalent to one billion hertz, widely used in telecommunications and computing to measure clock speeds and data transfer rates. Fascinatingly, as you read this, billions of cycles per second are powering your devices, allowing them to process vast amounts of data instantaneously. A gigahertz represents the speed of components in your computer, such as the CPU and memory, which typically operate in the GHz range, signifying their rapid processing capabilities.
Interestingly, the world’s most common electromagnetic waves, such as Wi-Fi and mobile phone signals, also operate in the GHz range. These gigahertz frequencies are crucial for wireless communications as they allow for higher data transfer rates and support for various networks and devices, from your smartphone to your home’s smart technology systems.
Terahertz | Gigahertz |
---|---|
0
THz
|
0
GHz
|
0.1
THz
|
100
GHz
|
0.2
THz
|
200
GHz
|
0.3
THz
|
300
GHz
|
0.4
THz
|
400
GHz
|
0.5
THz
|
500
GHz
|
0.6
THz
|
600
GHz
|
0.7
THz
|
700
GHz
|
0.8
THz
|
800
GHz
|
0.9
THz
|
900
GHz
|
1
THz
|
1000
GHz
|
1.1
THz
|
1100
GHz
|
1.2
THz
|
1200
GHz
|
1.3
THz
|
1300
GHz
|
1.4
THz
|
1400
GHz
|
1.5
THz
|
1500
GHz
|
1.6
THz
|
1600
GHz
|
1.7
THz
|
1700
GHz
|
1.8
THz
|
1800
GHz
|
1.9
THz
|
1900
GHz
|
2
THz
|
2000
GHz
|
2.1
THz
|
2100
GHz
|
2.2
THz
|
2200
GHz
|
2.3
THz
|
2300
GHz
|
2.4
THz
|
2400
GHz
|
2.5
THz
|
2500
GHz
|
2.6
THz
|
2600
GHz
|
2.7
THz
|
2700
GHz
|
2.8
THz
|
2800
GHz
|
2.9
THz
|
2900
GHz
|
3
THz
|
3000
GHz
|
3.1
THz
|
3100
GHz
|
3.2
THz
|
3200
GHz
|
3.3
THz
|
3300
GHz
|
3.4
THz
|
3400
GHz
|
3.5
THz
|
3500
GHz
|
3.6
THz
|
3600
GHz
|
3.7
THz
|
3700
GHz
|
3.8
THz
|
3800
GHz
|
3.9
THz
|
3900
GHz
|
4
THz
|
4000
GHz
|
4.1
THz
|
4100
GHz
|
4.2
THz
|
4200
GHz
|
4.3
THz
|
4300
GHz
|
4.4
THz
|
4400
GHz
|
4.5
THz
|
4500
GHz
|
4.6
THz
|
4600
GHz
|
4.7
THz
|
4700
GHz
|
4.8
THz
|
4800
GHz
|
4.9
THz
|
4900
GHz
|
5
THz
|
5000
GHz
|
5.1
THz
|
5100
GHz
|
5.2
THz
|
5200
GHz
|
5.3
THz
|
5300
GHz
|
5.4
THz
|
5400
GHz
|
5.5
THz
|
5500
GHz
|
5.6
THz
|
5600
GHz
|
5.7
THz
|
5700
GHz
|
5.8
THz
|
5800
GHz
|
5.9
THz
|
5900
GHz
|
6
THz
|
6000
GHz
|
6.1
THz
|
6100
GHz
|
6.2
THz
|
6200
GHz
|
6.3
THz
|
6300
GHz
|
6.4
THz
|
6400
GHz
|
6.5
THz
|
6500
GHz
|
6.6
THz
|
6600
GHz
|
6.7
THz
|
6700
GHz
|
6.8
THz
|
6800
GHz
|
6.9
THz
|
6900
GHz
|
7
THz
|
7000
GHz
|
7.1
THz
|
7100
GHz
|
7.2
THz
|
7200
GHz
|
7.3
THz
|
7300
GHz
|
7.4
THz
|
7400
GHz
|
7.5
THz
|
7500
GHz
|
7.6
THz
|
7600
GHz
|
7.7
THz
|
7700
GHz
|
7.8
THz
|
7800
GHz
|
7.9
THz
|
7900
GHz
|
8
THz
|
8000
GHz
|
8.1
THz
|
8100
GHz
|
8.2
THz
|
8200
GHz
|
8.3
THz
|
8300
GHz
|
8.4
THz
|
8400
GHz
|
8.5
THz
|
8500
GHz
|
8.6
THz
|
8600
GHz
|
8.7
THz
|
8700
GHz
|
8.8
THz
|
8800
GHz
|
8.9
THz
|
8900
GHz
|
9
THz
|
9000
GHz
|
9.1
THz
|
9100
GHz
|
9.2
THz
|
9200
GHz
|
9.3
THz
|
9300
GHz
|
9.4
THz
|
9400
GHz
|
9.5
THz
|
9500
GHz
|
9.6
THz
|
9600
GHz
|
9.7
THz
|
9700
GHz
|
9.8
THz
|
9800
GHz
|
9.9
THz
|
9900
GHz
|
10
THz
|
10000
GHz
|
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