Treatment Time Calculation Table - Klas series
1) Energy loss is postulated to be linear at 7.5% per mm of tissue. 2) Treatment time is calculated by Monte Carlo Simulation method.   Treatment Time (second) = Dose (J/cm3) x 1000 x Laser Beam Spot Size (cm²) ————————————————————————— End Power (mW) x Energy Loss Factor (/cm)

Model No.: Klas-A Laser beam spot size: 0.13 cm²
Dose (J/cm3)	Depth of Tissue (cm)	Energy Loss Factor	Treatment Time (second)
			Wavelength	660nm		780nm	808nm
			Model No.	Klas-A50	Klas-A61	Klas-A79	Klas-A81
			LD Power (mW)	50	100	100	110
			End Power (mW)	45	90	90	88
			Power Density (mW/cm²)	346	692	692	677
3 J/cm²	Surface	1		9	4	4	4
3 J/cm3	0.5	0.6772		13	6	6	7
	1.0	0.4586		19	9	9	10
	1.5	0.3105		28	14	14	14
	2.0	0.2103		41	21	21	21
	2.5	0.1424				30	31
	3.0	0.0964				45	46
	3.5	0.0653				67	68
	4.0	0.0442				98	100
	4.5	0.0299				145	148

Model No.: Klas-D Laser beam spot size: 0.5 cm²
Dose (J/cm3)	Depth of Tissue (cm)	Energy Loss Factor	Treatment Time (second)
			Wavelength	660nm		808nm
			Model No.	Klas-D50	Klas-D61	Klas-D81
			LD Power (mW)	50	100	110
			End Power (mW)	40	80	90
			Power Density (mW/cm²)	80	160	180
1 J/cm²	Surface	1		13	6	6
1 J/cm3	0.5	0.6772		18	9	8
	1.0	0.4586		27	14	12
	1.5	0.3105		40	20	18
	2.0	0.2103		59	30	26
	2.5	0.1424				39
	3.0	0.0964				58
	3.5	0.0653				85
	4.0	0.0442				126
	4.5	0.0299				186
	5.0	0.0203				274

Model No.: Klas-E Laser beam spot size: 0.13 cm²
Dose (J/cm3)	Depth of Tissue (cm)	Energy Loss Factor	Treatment Time (second)
			Wavelength	660nm		808nm
			Model No.	Klas-E50	Klas-E61	Klas-E81
			LD Power (mW)	50	100	110
			End Power (mW)	40	80	80
			Power Density (mW/cm²)	269	538	592
3 J/cm²	Surface	1		11	6	5
3 J/cm3	0.5	0.6772		16	8	7
	1.0	0.4586		24	12	11
	1.5	0.3105		36	18	16
	2.0	0.2103		53	26	24
	2.5	0.1424				36
	3.0	0.0964				53
	3.5	0.0653				78
	4.0	0.0442				115
	4.5	0.0299				169
	5.0	0.0203				250

Model No.: Klas-S Laser beam spot size: 3 cm²
Dose	Depth of Tissue (cm)	Energy Loss Factor	Treatment Time (minute)
			Wavelength	660nm		808nm
			Model No.	Klas-S50	Klas-S61	Klas-S81
			LD Power (mW)	50	100	110
			End Power (mW)	30	60	44
			Power Density (mW/cm²)	10	20	15
3 J/cm²	Surface	1		5	3	3
3 J/cm3	0.5	0.6772		7	4	5
	1.0	0.4586		11	5	7
	1.5	0.3105		16	8	11
	2.0	0.2103			12	16
	2.5	0.1424				24
	3.0	0.0964				35

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