Материал: Weber H., Herziger G., Poprawe R. (eds.) Laser Fundamentals. Part 1 (Springer 2005)(263s) PEo

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172	4.1.6 Di erence frequency generation	[Ref. p. 187

4.1.6 Di erence frequency generation

Table 4.1.28. Generation of IR radiation by DFG.

(a) Crystal: LiIO3

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

4.1–5.2	Dye laser + ruby laser, ICDFG, L = 12 mm	100 W (peak)	[72Mel]
1.25–1.60;	Dye laser + Q–switched Nd:YAG laser	0.5–70 W (peak),	[75Gol]
3.40–5.65	(1.064 and 0.532 µm), ICDFG, θooe = 21–28.5 ◦	∆ ν = 0.1 cm−1, 60 ns
2.6–7.7	Dye laser + 2 ω of Nd:YAG laser, θooe = 22 ◦	2 nJ–50 µJ, 10 ns	[95Cha2]
2.3–4.6	Dye laser + argon laser (514 and 488 nm)	0.5–4 µW, cw	[76Wel]
4.3–5.3	Dye laser + 2 ω of Nd:YAG laser, θooe = 24.3 ◦	–	[77Dob]
0.7–2.2	Dye laser + nitrogen laser, θooe = 51–31 ◦	3 ns	[78Koe]
3.8–6.0	Dye laser + copper vapor laser (511 nm), θc = 21–24 ◦	10–100 µW, 20 ns	[82Ata]
3.5–5.4	Dye laser + 2 ω of Nd:YAG laser, θooe = 20 ◦	0.8 mJ, 10 ns	[83Man]
1.2–1.6	Two dye lasers, θooe = 29 ◦	1.5–5 ps	[84Cot]
4.4–5.7	Dye laser + Nd:YAG laser, θooe = 20–22 ◦	550 kW, 8 ns	[85Kat]
5	Two dye lasers, θooe = 20 ◦ , L = 3 mm	10 %, 10 nJ, 400 fs	[91Els]
2.5–5.3	Signal and idler pulses of OPO, θooe = 21 ◦	0.2 mW, f = 82 MHz,	[94Loh]
		200 fs
6.8–7.7	Dye laser + 2 ω of Nd:YAG laser, θ = 28–29 ◦	100 mW (peak)	[95Cha1]
(b) Crystal: LiNbO3

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

3–4	Dye laser + ruby laser	1 %, 6 kW	[71Dew]
2.2–4.2	Dye laser + argon laser	1 µW, cw	[74Pin]
2–4.5	Dye laser (1.2 ps) + argon laser (100 ps), θ = 90 ◦ ,	25 µW (average),	[84Rud,
	T = 200 . . . 400 ◦ C	1.2 ps, f = 138 MHz	85Ree]
2–4	Dye laser + Nd:YAG laser, θooe = 46 . . . 57 ◦	60 %, 1.6 MW	[80Kat2]
2.04	Two dye lasers, θooe = 90 ◦	50 %, ∆ λ = 0.03 nm	[77Sey]
1.7–4.0	CPM dye laser + subpicosecond continuum,	10 kW (peak), 0.2 ps,	[87Moo2]
	θc = 55 ◦ , L = 1 mm	∆ ν = 100 cm−1
4.043	Two Nd:YAG lasers (1.064 and 1.444 µm), L = 25 mm	5.5 %, 30 mJ, 14 ns	[94Won]
1.6–4.8	Nd:glass laser + OPO	6 %, 30 µJ, 1–3 ps	[95DiT]

(c) Crystal: BBO

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

2.5	Dye laser (620 nm) + picosecond continuum (825 nm),	5 %, 4 µJ, 0.5 ps	[91Pla]
	θooe = 20.3 ◦ , L = 5 mm
0.9–1.5	Dye laser + Nd:YAG laser, θooe = 20.5–24.5 ◦ ,	23 %, 4.5 mJ, 8 ns	[93Ash]
	L = 10 mm
2.04–3.42	Two dye lasers, NCDFG, θooe = 12–17 ◦ , L = 6 mm	300–400 W (peak)	[91Bha]
1.23–1.76	Dye laser + Ti:sapphire laser	10 µW (average),	[93Sei]
		150 fs, f = 80 MHz

Landolt-B¨ornstein

New Series VIII/1A1

Ref. p. 187]	4.1 Frequency conversion in crystals		173

(d) Crystal: KTP

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

1.4–1.6	Dye laser + Nd:YAG laser, θeoe = 76–78 ◦ , ϕ = 0 ◦	8.4 kW, f = 76 MHz,	[75Bri]
		94 fs
1.35–1.75	Dye laser + 2 ω of Ti:sapphire laser, ICDFG	10 W (peak), 1.6 ps	[94Pet]
2.8–3.6	Ti:sapphire laser + OPO, θeoe = 90 ◦ , ϕ = 47 ◦	40–150 µW, 90–350 fs,	[95Gal1]
		f = 82 MHz
1.2–2.2	Nd:YAG laser + dye laser, θeoe = 90 ◦ , ϕ = 31 ◦	36 % (quantum), 1 mJ	[95Cha3]
1.05–2.8	Two Ti:sapphire lasers, dye laser + Ti:sapphire laser	20 µW, cw	[96Mom]
1.14–1.23	Dye laser (550–570 nm) + Nd:YAG laser,	22 % (quantum), 3.3 mJ	[96Bha]
	θeeo = 82–90 ◦ , ϕ = 0 ◦
(e) Crystal: KTA

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

2.66–5.25	Ti:sapphire laser + Nd:YAG laser, θeoe = 40 ◦ , ϕ = 0 ◦	60 % (quantum),	[95Kun]
		1–15 mJ, 2 ns

(f ) Crystal: Ag3AsS3

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

11–23	Two dye lasers	3 W (peak), 30 ns	[76Hoc]
3.7–10.2	OPO (1.06–1.67 µm) + 2 ω of phosphate glass laser	25–50 µJ, 10 ps	[80Bar1]
	(527 nm)

(g) Crystal: AgGaS2

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

5.5–18.3	Two dye lasers, θ = 90 ◦	4 W, 4 ns	[76Sey]
5–11	Dye laser + Nd:YAG laser, θeoe = 38–52 ◦	180 kW, 12 ns	[84Kat]
3.9–9.4	Dye laser + Nd:YAG laser	1 %, 8 ps	[85Els]
4–11	OPO (2–4 µm) + radiation at λ = 1.4–2.13 µm	1 kW, 8 ns	[86Bet]
8.7–11.6	Two dye lasers, θooe = 65–85 ◦	0.1 mW, 500 ns	[74Han]
4.6–12	Two dye lasers, θooe = 45–83 ◦	300 mW, 10 ns	[73Han]
7–9	Dye laser + Ti:sapphire laser, θooe = 90 ◦	1 µW, cw,	[92Can]
		∆ ν = 0.5 MHz
4.76–6.45	Dye laser + Ti:sapphire laser, θooe = 90 ◦ , L = 45 mm	20 µW, cw,	[92Hie]
4.26		∆ ν = 1 MHz
4.26	GaAlAs laser (858 nm) + Ti:sapphire laser (715 nm),	47 µW (cw),	[93Sim2]
	θooe = 90 ◦	89 µW (50 µs)
4.73; 5.12	Diode laser + Ti:sapphire laser, θooe = 90 ◦	1 µW, cw	[93Sim1]
5.2–6.4	Nd:YAG laser + near IR (DFG in LiIO3)	35 %, 23 ps	[88Spe]
3.4–7.0	Dye laser + Nd:YAG laser, θc = 53.2 ◦	17 µW (average),	[91Yod]
		2.16 ps, f = 76 MHz
4–10	Dye laser (1.1–1.4 µm) + Nd:glass laser (1.053 µm)	2 %, 10 nJ . . . 1 µJ, 1 ps	[93Dah]

(continued)

Landolt-B¨ornstein

New Series VIII/1A1

174	4.1.6 Di erence frequency generation	[Ref. p. 187

Table 4.1.28 (g) continued.

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

4.5–11.5	Dye laser (870–1000 nm) + Ti:sapphire laser (815 nm),	10 nJ, f = 1 kHz, 400 fs	[93Ham]
	θc = 45 ◦ , L = 1 mm
9	Ti:sapphire laser with dual wavelength output	0.03 pJ, f = 85 MHz	[93Bar1]
	(50–70 fs), θc = 44 ◦ , L = 1 mm
3.1–4.4	Ti:sapphire laser + Nd:YAG laser, ICDFG, θc = 74 ◦	0.3 mW, cw	[95Can]
2.5–5.5	Signal and idler pulses of OPO, θ = 40 ◦	0.5 mW, f = 82 MHz,	[94Loh]
		200 fs
6.2–9.7	Two Ti:sapphire lasers (696–804 nm and 766–910 nm)	3 µJ, 0.08 %, 13 ns	[96Aka]
6.8–12.5	Two diode lasers (766–786 nm and 830–868 nm)	1 µW, cw	[98Pet1]
2.4–12	Signal and idler waves of BBO based OPA	2.5 mW, 50 fs	[98Gol]
5–12	Signal and idler waves of LiNbO3 based OPO	0.1 mJ, 6 ns	[99Hai]
5	(1.8–2.7 µm)
5	Two diode lasers, θ = 90 ◦ , L = 30 mm	0.2 µW, cw	[96Sch]
(h) Crystal: AgGaSe2

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

7–15	OPO (1.5–1.7 µm) + Nd:YAG laser (1.32 µm),	1.2 %	[74Bye]
	θooe = 90–57 ◦
12.2–13	CO laser (5.67–5.85 µm) + CO2 laser, θ = 61 ◦	0.2 µW, cw	[73Kil]
8–18	Idler and signal waves of OPO	0.1 mJ, 3–6 ns	[93Bos]
5–18	Idler and signal waves of OPO, θooe = 51 ◦	0.2 mJ, 8 ns	[98Abe]
(i) Crystal: CdGeAs2

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

11.4–16.8	CO laser + CO2 laser	4 µW, cw	[74Kil]

(j) Crystal: GaSe

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

9.5–18	Dye laser + ruby laser	300 W, 20 ns	[76Abd]
4–12	Idler and signal waves of OPO	60 W	[78Bia]
7–16	Nd:YAG laser + laser on F2− colour centers,	0.1–1 kW, 10 ns	[80Gus]
	θooe = 13–15 ◦ , θeoe = 12–16 ◦
6–18	Dye laser (1.1–1.4 µm) + Nd:glass laser (1.053 µm)	10 nJ . . . 1 µJ, 1 ps	[93Dah]
5.2–18	Idler and signal waves of OPO, L = 1 mm	2 mW, 3.3 %,	[98Ehr]
		f = 76 MHz, 120 fs

(k) Crystal: CdSe

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

16	OPO signal wave (1.995 µm) + OPO idler wave	0.5 kW, 20 Hz, 10 ns	[77And2]
	(2.28 µm), θ = 62.22 ◦
9–22	OPO (2–4 µm) + radiation at λ = 1.4–2.13 µm	10–100 W, 8 ns	[86Bet]
10–20	OPO signal and idler waves, θ = 70 ◦ , eoo	50 % (quantum),	[95Dhi]

5–40 µJ, 10 ps

Landolt-B¨ornstein

New Series VIII/1A1

Ref. p. 187]	4.1 Frequency conversion in crystals		175

(l) Crystal: Te

λ	Sources of interacting radiations,	Conversion e ciency,	Ref.
[µm]	crystal parameters	energy, power, τp

10.9–11.1	CO2 laser (10.2 µm) + cw spin-ﬂip laser (5.3 µm),	10 µW	[75Bri]
	θeeo = 14 ◦

Table 4.1.29. Di erence frequency generation in the far IR region.

Pump sources	Crystal	ν [cm−1]	λ [mm]	Power, energy	Ref.
Nd:glass (1.06 µm)	LiNbO3	100	0.1	–	[65Zer]
Ruby laser (0.694 µm)	LiNbO3	29	0.33	–	[69Yaj]
Two ruby lasers (0.694 µm), 1 MW,	Quartz,	1.2–8.0	1.25–8.33	20 mW	[69Far]
30 ns	LiNbO3			20 mW/cm−1
Nd:glass (1.06 µm), 50 mJ, 10 ps	ZnTe,	8–30	0.33–1.25	20 mW/cm−1	[71Yaj]
	LiNbO3	–	–	–	[72Tak]
Nd:glass (1.06 µm), 10 ps	LiIO3	–	–	–	[72Tak]
Dye laser (0.73–0.93 µm),	ZnTe, ZnSe,	5–30	0.33–2.00	1 W (ZnTe)	[73Mat]
11–15 ns, 4–13 MW	LiNbO3
Nd:glass (1.064 µm), 10 ps	LiNbO3	0.4–2.5	4–25	60 W	[76Ave]
Two ruby lasers (0.694 µm), 20 ns	LiNbO3	1–3.3	3–10	0.5 W	[79Ave]
Ruby laser (0.694 µm)	LiNbO3	1.67–3.3	3–6	–	[80Mak]
Two dye lasers:	LiNbO3	20–200	0.05–0.5	3 nJ	[85Ber]
τ1 = 1–2 ps, λ1 = 589 nm,
E1 = 0.2 mJ; τ2 = 20 ns,
λ2 = 590–596 nm, E2 = 20 mJ		10–200	0.05–1	10 kW	[95Qiu]
Nd:YAG laser (45 ps) + OPO (35 ps)	LiNbO3	10–200	0.05–1	10 kW	[95Qiu]
CO2 laser at two frequencies	GaAs	2–100	0.1–5.0	–	[85Rya]
Two CO2 lasers	ZnGeP2	70–110	0.09–0.14	1.7 µW	[72Boy]
Two CO2 lasers	ZnGeP2	99–100	0.1–0.11	3.6 µJ	[96Apo]
Nd:YAG (1.064 µm), 30 ns	GaP	0.33–1	10–30	1 mW	[87Len]

Landolt-B¨ornstein

New Series VIII/1A1

B¨ornstein-Landolt

VIII/1A1 Series New

4.1.7 Optical parametric oscillation

Table 4.1.30. Continuous wave (cw) and nanosecond OPO in the UV, visible, and near IR regions.

Crystal	θpm, type of	λpump	Ithr	λOPO	τp	η		Ref.	Notes
	interaction	[µm]	[MW cm−2]	[µm]	[ns]	[%]
KDP	eoe	0.532	1000–2000	–	–	40–42 a		[86Bar]	TWOPO, L1 = 4 cm, L2 = 6 cm, E = 2 J
	eoe	0.35	1000	0.45–0.6	0.5	41 a		[87Beg]	TWOPO, L1 = 2 cm, L2 = 6 cm, E = 0.35 J,
									I0 = 6–8 GW cm−2
ADP	–	0.527	1500	0.93–1.21	–	37 a		[84Akh]	TWOPO, E = 2.3 J, I0 = 10 GW cm−2
	ooe	0.266	–	0.42–0.73	2	25		[71Yar]	TWOPO, T = 50–105 ◦ C
	ooe	0.266	250	–	14	30		[75Zhd]	L = 6 cm, I0 = 1 GW cm−2
LiIO3	θooe = 24 ◦	1.06	50	2.5–3.2	40	15		[84Ash]	SROPO, L = 6 cm, E = 0.1 J
	θooe = 23.1–22.4 ◦ 0.694		5	1.15–1.9	20	50 a		[71Cam,	DROPO, L = 0.85 cm, P = 10 kW
								72Cam]
	θooe = 25–30 ◦	0.53	10	0.68–2.4	15	8		[70Izr]	SROPO, L = 1.6 cm
	θooe = 23–30 ◦	0.532	10	0.63–3.35	30	20		[77Dzh]	SROPO
LiNbO3	θooe = 90 ◦	1.06	–	2.13	100	8		[69Amm]	DROPO, L = 3 mm
	θooe = 90 ◦	1.06	–	1.4–4.45	20	15		[74Her]	SROPO, I0 = 10 MW cm−2
	43.3 ◦	0.93	8 mJ	1.48–1.8;	16	9.7		[97Raf]	SROPO, L = 50 mm, broad spectral bandwidth
				1.95–2.55			(67a) [70Wal]		(∆ λ = 320 nm)
	θooe = 90 ◦	0.473–0.659	–	0.55–3.65	130–700	46	(67a) [70Wal]		SROPO, T = 110–430 ◦ C, Pav = 105 mW
LiNbO3:MgO	θooe = 90 ◦	1.06	0.4 mW	1–1.14	cw	–		[93Sch]	Quadruply resonant OPO
	θooe = 90 ◦	0.532	35 mW	1.01–1.13	cw	40	(60a) [89Koz]		DROPO, T = 107–110 ◦ C
	θooe = 90 ◦	0.532	12 mW	1.007–1.129	cw	34	(78a) [89Nab]		DROPO, T = 107–111 ◦ C, P = 8.15 mW
	θooe = 90 ◦	0.532	13 mW	0.966–1.185	cw	38	(73a) [93Ger]		DROPO, T = 113–126 ◦ C, L = 15 mm,
									P = 100 mW
	θ = 90 ◦	0.532	28 mW	1.0–1.12	cw	81		[95Bre]	DROPO, P = 105 mW, L = 7.5 mm
	θooe = 90 ◦	0.532	80 mW	0.788–1.640	cw	–		[98Tsu]	DROPO, T = 80–180 ◦ C, L = 15 mm

(continued)

176

oscillation parametric Optical 7.1.4

187 .p .[Ref

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